542 lines
20 KiB
C++
542 lines
20 KiB
C++
#include "renderer_light.hpp"
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#include <functional>
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#include <string>
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#include <math.h>
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#include "Types.h"
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#include "modules/Gui.h"
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#include "modules/Screen.h"
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#include "modules/Maps.h"
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#include "modules/Units.h"
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#include "df/graphic.h"
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#include "df/viewscreen_dwarfmodest.h"
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#include "df/flow_info.h"
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#include "df/world.h"
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#include "df/building.h"
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#include "df/building_doorst.h"
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#include "df/plant.h"
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#include "df/plant_raw.h"
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using df::global::gps;
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using namespace DFHack;
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using df::coord2d;
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const float levelDim=0.2f;
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rect2d getMapViewport()
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{
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const int AREA_MAP_WIDTH = 23;
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const int MENU_WIDTH = 30;
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if(!gps || !df::viewscreen_dwarfmodest::_identity.is_instance(DFHack::Gui::getCurViewscreen()))
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return mkrect_wh(0,0,0,0);
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int w=gps->dimx;
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int h=gps->dimy;
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int view_height=h-2;
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int area_x2 = w-AREA_MAP_WIDTH-2;
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int menu_x2=w-MENU_WIDTH-2;
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int menu_x1=area_x2-MENU_WIDTH-1;
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int view_rb=w-1;
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int area_pos=*df::global::ui_area_map_width;
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int menu_pos=*df::global::ui_menu_width;
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if(area_pos<3)
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{
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view_rb=area_x2;
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}
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if (menu_pos<area_pos || df::global::ui->main.mode!=0)
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{
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if (menu_pos >= area_pos)
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menu_pos = area_pos-1;
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int menu_x = menu_x2;
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if(menu_pos < 2) menu_x = menu_x1;
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view_rb = menu_x;
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}
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return mkrect_wh(1,1,view_rb,view_height+1);
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}
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lightingEngineViewscreen::lightingEngineViewscreen(renderer_light* target):lightingEngine(target)
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{
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reinit();
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initRawSpecific();
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}
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void lightingEngineViewscreen::reinit()
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{
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if(!gps)
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return;
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w=gps->dimx;
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h=gps->dimy;
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size_t size=w*h;
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lightMap.resize(size,lightCell(1,1,1));
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ocupancy.resize(size);
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lights.resize(size);
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}
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void plotCircle(int xm, int ym, int r,std::function<void(int,int)> setPixel)
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{
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int x = -r, y = 0, err = 2-2*r; /* II. Quadrant */
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do {
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setPixel(xm-x, ym+y); /* I. Quadrant */
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setPixel(xm-y, ym-x); /* II. Quadrant */
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setPixel(xm+x, ym-y); /* III. Quadrant */
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setPixel(xm+y, ym+x); /* IV. Quadrant */
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r = err;
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if (r <= y) err += ++y*2+1; /* e_xy+e_y < 0 */
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if (r > x || err > y) err += ++x*2+1; /* e_xy+e_x > 0 or no 2nd y-step */
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} while (x < 0);
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}
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void plotLine(int x0, int y0, int x1, int y1,std::function<bool(int,int,int,int)> setPixel)
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{
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int dx = abs(x1-x0), sx = x0<x1 ? 1 : -1;
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int dy = -abs(y1-y0), sy = y0<y1 ? 1 : -1;
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int err = dx+dy, e2; /* error value e_xy */
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int rdx=0;
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int rdy=0;
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for(;;){ /* loop */
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if(!setPixel(rdx,rdy,x0,y0))
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return;
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if (x0==x1 && y0==y1) break;
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e2 = 2*err;
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rdx=rdy=0;
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if (e2 >= dy) { err += dy; x0 += sx; rdx=sx;} /* e_xy+e_x > 0 */
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if (e2 <= dx) { err += dx; y0 += sy; rdy=sy;} /* e_xy+e_y < 0 */
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}
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}
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lightCell blend(lightCell a,lightCell b)
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{
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return lightCell(std::max(a.r,b.r),std::max(a.g,b.g),std::max(a.b,b.b));
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}
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bool lightingEngineViewscreen::lightUpCell(lightCell& power,int dx,int dy,int tx,int ty)
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{
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if(tx>=mapPort.first.x && ty>=mapPort.first.y && tx<=mapPort.second.x && ty<=mapPort.second.y)
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{
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size_t tile=getIndex(tx,ty);
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float dsq=dx*dx+dy*dy;
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float dt=sqrt(dsq);
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lightCell& v=ocupancy[tile];
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lightSource& ls=lights[tile];
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bool wallhack=false;
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if(v.r+v.g+v.b==0)
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wallhack=true;
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if (dsq>0 && !wallhack)
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{
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power.r=power.r*(pow(v.r,dt));
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power.g=power.g*(pow(v.g,dt));
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power.b=power.b*(pow(v.b,dt));
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}
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if(ls.radius>0 && dsq>0)
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{
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if(power<ls.power)
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return false;
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}
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//float dt=sqrt(dsq);
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lightCell oldCol=lightMap[tile];
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lightCell ncol=blend(power,oldCol);
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lightMap[tile]=ncol;
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if(wallhack)
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return false;
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float pwsq=power.r*power.r+power.g*power.g+power.b*power.b;
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return pwsq>levelDim*levelDim;
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}
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else
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return false;
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}
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void lightingEngineViewscreen::doRay(lightCell power,int cx,int cy,int tx,int ty)
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{
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using namespace std::placeholders;
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lightCell curPower=power;
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plotLine(cx,cy,tx,ty,std::bind(&lightingEngineViewscreen::lightUpCell,this,std::ref(curPower),_1,_2,_3,_4));
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}
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void lightingEngineViewscreen::doFovs()
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{
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mapPort=getMapViewport();
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using namespace std::placeholders;
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for(int i=mapPort.first.x;i<mapPort.second.x;i++)
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for(int j=mapPort.first.y;j<mapPort.second.y;j++)
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{
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lightSource& csource=lights[getIndex(i,j)];
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if(csource.radius>0)
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{
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lightCell power=csource.power;
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int radius =csource.radius;
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if(csource.flicker)
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{
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float flicker=(rand()/(float)RAND_MAX)/2.0f+0.5f;
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radius*=flicker;
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power=power*flicker;
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}
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int surrounds = 0;
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lightCell curPower;
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if(lightUpCell(curPower = power, 0, 0,i+0, j+0))
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{
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surrounds += lightUpCell(curPower = power, 0, 1,i+0, j+1);
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surrounds += lightUpCell(curPower = power, 1, 1,i+1, j+1);
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surrounds += lightUpCell(curPower = power, 1, 0,i+1, j+0);
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surrounds += lightUpCell(curPower = power, 1,-1,i+1, j-1);
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surrounds += lightUpCell(curPower = power, 0,-1,i+0, j-1);
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surrounds += lightUpCell(curPower = power,-1,-1,i-1, j-1);
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surrounds += lightUpCell(curPower = power,-1, 0,i-1, j+0);
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surrounds += lightUpCell(curPower = power,-1, 1,i-1, j+1);
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}
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if(surrounds)
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plotCircle(i,j,radius,
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std::bind(&lightingEngineViewscreen::doRay,this,power,i,j,_1,_2));
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}
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}
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}
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void lightingEngineViewscreen::calculate()
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{
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rect2d vp=getMapViewport();
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const lightCell dim(levelDim,levelDim,levelDim);
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lightMap.assign(lightMap.size(),lightCell(1,1,1));
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lights.assign(lights.size(),lightSource());
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for(int i=vp.first.x;i<vp.second.x;i++)
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for(int j=vp.first.y;j<vp.second.y;j++)
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{
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lightMap[getIndex(i,j)]=dim;
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}
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doOcupancyAndLights();
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doFovs();
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//for each lightsource in viewscreen+x do light
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}
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void lightingEngineViewscreen::updateWindow()
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{
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tthread::lock_guard<tthread::fast_mutex> guard(myRenderer->dataMutex);
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if(lightMap.size()!=myRenderer->lightGrid.size())
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{
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reinit();
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myRenderer->invalidate();
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return;
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}
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std::swap(lightMap,myRenderer->lightGrid);
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rect2d vp=getMapViewport();
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//myRenderer->invalidateRect(vp.first.x,vp.first.y,vp.second.x-vp.first.x,vp.second.y-vp.first.y);
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myRenderer->invalidate();
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//std::copy(lightMap.begin(),lightMap.end(),myRenderer->lightGrid.begin());
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}
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void lightSource::combine(const lightSource& other)
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{
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power=blend(power,other.power);
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radius=std::max(other.radius,radius);//hack... but who cares
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}
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bool lightingEngineViewscreen::addLight(int tileId,const lightSource& light)
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{
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bool wasLight=lights[tileId].radius>0;
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lights[tileId].combine(light);
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if(light.flicker)
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lights[tileId].flicker=true;
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return wasLight;
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}
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lightCell getStandartColor(int colorId)
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{
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return lightCell(df::global::enabler->ccolor[colorId][0]/255.0f,
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df::global::enabler->ccolor[colorId][1]/255.0f,
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df::global::enabler->ccolor[colorId][2]/255.0f);
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}
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int getPlantNumber(const std::string& id)
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{
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std::vector<df::plant_raw*>& vec=df::plant_raw::get_vector();
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for(int i=0;i<vec.size();i++)
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{
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if(vec[i]->id==id)
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return i;
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}
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return -1;
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}
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void addPlant(const std::string& id,std::map<int,lightSource>& map,const lightSource& v)
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{
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int nId=getPlantNumber(id);
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if(nId>0)
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{
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map[nId]=v;
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}
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}
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void lightingEngineViewscreen::initRawSpecific()
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{
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addPlant("TOWER_CAP",glowPlants,lightSource(lightCell(0.65,0.65,0.65),6));
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addPlant("MUSHROOM_CUP_DIMPLE",glowPlants,lightSource(lightCell(0.03,0.03,0.5),3));
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addPlant("CAVE MOSS",glowPlants,lightSource(lightCell(0.1,0.1,0.4),2));
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addPlant("MUSHROOM_HELMET_PLUMP",glowPlants,lightSource(lightCell(0.2,0.1,0.6),2));
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}
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static size_t max_list_size = 100000; // Avoid iterating over huge lists
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void lightingEngineViewscreen::doOcupancyAndLights()
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{
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// TODO better curve (+red dawn ?)
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float daycol = abs((*df::global::cur_year_tick % 1200) - 600.0) / 600.0;
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lightCell sky_col(daycol, daycol, daycol);
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lightSource sky(sky_col, 15);
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lightSource lava(lightCell(0.8f,0.2f,0.2f),5);
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lightSource candle(lightCell(0.96f,0.84f,0.03f),5);
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lightSource torch(lightCell(0.9f,0.75f,0.3f),8);
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rect2d vp=getMapViewport();
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int window_x=*df::global::window_x;
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int window_y=*df::global::window_y;
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int window_z=*df::global::window_z;
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int vpW=vp.second.x-vp.first.x;
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int vpH=vp.second.y-vp.first.y;
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int endBlockx = (window_x+vpW)/16;
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int endBlocky = (window_y+vpH)/16;
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if(endBlockx >= df::global::world->map.x_count_block) endBlockx = df::global::world->map.x_count_block-1;
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if(endBlocky >= df::global::world->map.y_count_block) endBlocky = df::global::world->map.y_count_block-1;
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for(int blockx=window_x/16;blockx<=endBlockx;blockx++)
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for(int blocky=window_y/16;blocky<=endBlocky;blocky++)
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{
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lightCell cellArray[16][16];
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for(int block_x = 0; block_x < 16; block_x++)
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for(int block_y = 0; block_y < 16; block_y++)
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{
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cellArray[block_x][block_y] = sky_col;
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}
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int totalBlank = 0;
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int topLevel = df::global::world->map.z_count-1;
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for(int ZZ = topLevel; (ZZ >= window_z) && totalBlank < 256; ZZ--)
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{
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df::map_block* block=Maps::getBlock(blockx,blocky,ZZ);
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totalBlank = 0;
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if(block)
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for(int block_x = 0; block_x < 16; block_x++)
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for(int block_y = 0; block_y < 16; block_y++)
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{
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df::tiletype type = block->tiletype[block_x][block_y];
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df::tile_designation d = block->designation[block_x][block_y];
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df::tile_occupancy o = block->occupancy[block_x][block_y];
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df::tiletype_shape shape = ENUM_ATTR(tiletype,shape,type);
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df::tiletype_shape_basic basic_shape = ENUM_ATTR(tiletype_shape, basic_shape, shape);
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if(basic_shape==df::tiletype_shape_basic::Wall)
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{
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cellArray[block_x][block_y]=lightCell(0,0,0);
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}
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else if(basic_shape==df::tiletype_shape_basic::Floor || basic_shape==df::tiletype_shape_basic::Ramp || shape==df::tiletype_shape::STAIR_UP)
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{
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if(ZZ!=window_z)
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{
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cellArray[block_x][block_y]=lightCell(0,0,0);
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}
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}
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else if(shape==df::tiletype_shape::STAIR_DOWN || shape==df::tiletype_shape::STAIR_UPDOWN)
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{
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cellArray[block_x][block_y]*=lightCell(0.9,0.9,0.9);
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}
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if(d.bits.liquid_type == df::enums::tile_liquid::Water && d.bits.flow_size)
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{
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cellArray[block_x][block_y] *= (lightCell(1,1,1) - (lightCell(1,1,1) - lightCell(0.63f,0.63f,0.75f))*(d.bits.flow_size/7));
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}
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else if(d.bits.liquid_type == df::enums::tile_liquid::Magma && d.bits.flow_size > 3)
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{
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cellArray[block_x][block_y]=lightCell(0,0,0);
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}
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if(cellArray[block_x][block_y].r < 0.003f && cellArray[block_x][block_y].g < 0.003f && cellArray[block_x][block_y].b < 0.003f)
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totalBlank++;
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}
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}
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for(int block_x = 0; block_x < 16; block_x++)
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for(int block_y = 0; block_y < 16; block_y++)
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{
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df::coord2d pos;
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pos.x = blockx*16+block_x;
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pos.y = blocky*16+block_y;
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int wx=pos.x-window_x+vp.first.x;
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int wy=pos.y-window_y+vp.first.y;
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if(wx>=vp.first.x && wy>=vp.first.y && wx<=vp.second.x && wy<=vp.second.y)
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if(cellArray[block_x][block_y].r >= 0.003f && cellArray[block_x][block_y].g >= 0.003f && cellArray[block_x][block_y].b >= 0.003f)
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{
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lightSource sun=lightSource(cellArray[block_x][block_y],15);
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addLight(getIndex(wx,wy),sun);
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}
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}
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}
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for(int x=window_x;x<window_x+vpW;x++)
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for(int y=window_y;y<window_y+vpH;y++)
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{
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int wx=x-window_x+vp.first.x;
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int wy=y-window_y+vp.first.y;
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int tile=getIndex(wx,wy);
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lightCell& curCell=ocupancy[tile];
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curCell=lightCell(0.85f,0.85f,0.85f);
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df::tiletype* type = Maps::getTileType(x,y,window_z);
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if(!type)
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{
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//unallocated, do sky
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addLight(tile,sky);
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continue;
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}
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df::tiletype_shape shape = ENUM_ATTR(tiletype,shape,*type);
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df::tile_designation* d=Maps::getTileDesignation(x,y,window_z);
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df::tile_designation* d2=Maps::getTileDesignation(x,y,window_z-1);
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df::tile_occupancy* o=Maps::getTileOccupancy(x,y,window_z);
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df::tiletype_material m=ENUM_ATTR(tiletype,material,*type);
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if(!o || !d )
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continue;
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if(shape==df::tiletype_shape::BROOK_BED || shape==df::tiletype_shape::WALL || shape==df::tiletype_shape::TREE || d->bits.hidden )
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{
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if(shape==df::tiletype_shape::WALL && m==df::tiletype_material::FROZEN_LIQUID)
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curCell*=lightCell(0.7,0.7,0.9);
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else
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curCell=lightCell(0,0,0);
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}
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else if(o->bits.building)
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{
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// Fixme: don't iterate the list every frame
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size_t count = df::global::world->buildings.all.size();
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if (count <= max_list_size)
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{
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for(size_t i = 0; i < count; i++)
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{
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df::building *bld = df::global::world->buildings.all[i];
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if (window_z == bld->z &&
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x >= bld->x1 && x <= bld->x2 &&
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y >= bld->y1 && y <= bld->y2)
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{
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df::building_type type = bld->getType();
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if (type == df::enums::building_type::WindowGlass)
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{
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if(bld->mat_type == 3)//green glass
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{
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curCell*=lightCell(0.1f,0.9f,0.5f);
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}
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else if(bld->mat_type == 4)//clear glass
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{
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curCell*=lightCell(0.5f,0.95f,0.9f);
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}
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else if(bld->mat_type == 5)//crystal glass
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{
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curCell*=lightCell(0.75f,0.95f,0.95f);
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}
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}
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if (type == df::enums::building_type::Table)
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{
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addLight(tile,candle);
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}
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if (type==df::enums::building_type::Statue)
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{
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|
addLight(tile,torch);
|
|
}
|
|
if (type==df::enums::building_type::WindowGem)
|
|
{
|
|
DFHack::MaterialInfo mat(bld->mat_index,bld->mat_type);
|
|
if(mat.isInorganic())
|
|
{
|
|
int color=mat.inorganic->material.basic_color[0]+8*mat.inorganic->material.basic_color[2];
|
|
curCell*=getStandartColor(color);
|
|
}
|
|
}
|
|
if(type==df::enums::building_type::Door)
|
|
{
|
|
df::building_doorst* door=static_cast<df::building_doorst*>(bld);
|
|
if(door->door_flags.bits.closed)
|
|
curCell*=lightCell(0,0,0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(!d->bits.liquid_type && d->bits.flow_size>3 )
|
|
{
|
|
curCell*=lightCell(0.7f,0.7f,0.8f);
|
|
}
|
|
//lights
|
|
if((d->bits.liquid_type && d->bits.flow_size>0)||
|
|
(
|
|
(shape==df::tiletype_shape::EMPTY || shape==df::tiletype_shape::RAMP_TOP || shape==df::tiletype_shape::STAIR_DOWN || shape==df::tiletype_shape::STAIR_UPDOWN )
|
|
&& d2 && d2->bits.liquid_type && d2->bits.flow_size>0)
|
|
)
|
|
{
|
|
|
|
addLight(tile,lava);
|
|
}
|
|
if(d->bits.outside && d->bits.flow_size==0)
|
|
{
|
|
addLight(tile,sky);
|
|
}
|
|
|
|
}
|
|
for(int blockx=window_x/16;blockx<=endBlockx;blockx++)
|
|
for(int blocky=window_y/16;blocky<=endBlocky;blocky++)
|
|
{
|
|
df::map_block* block=Maps::getBlock(blockx,blocky,window_z);
|
|
|
|
if(!block)
|
|
continue;
|
|
for(int i=0;i<block->flows.size();i++)
|
|
{
|
|
df::flow_info* f=block->flows[i];
|
|
if(f && f->density>0 && f->type==df::flow_type::Dragonfire || f->type==df::flow_type::Fire)
|
|
{
|
|
df::coord2d pos=f->pos;
|
|
int wx=pos.x-window_x+vp.first.x;
|
|
int wy=pos.y-window_y+vp.first.y;
|
|
int tile=getIndex(wx,wy);
|
|
if(wx>=vp.first.x && wy>=vp.first.y && wx<=vp.second.x && wy<=vp.second.y)
|
|
{
|
|
lightCell fireColor;
|
|
if(f->density>60)
|
|
{
|
|
fireColor=lightCell(0.98f,0.91f,0.30f);
|
|
}
|
|
else if(f->density>30)
|
|
{
|
|
fireColor=lightCell(0.93f,0.16f,0.16f);
|
|
}
|
|
else
|
|
{
|
|
fireColor=lightCell(0.64f,0.0f,0.0f);
|
|
}
|
|
lightSource fire(fireColor,f->density/5);
|
|
addLight(tile,fire);
|
|
}
|
|
}
|
|
}
|
|
for(int i=0;i<block->plants.size();i++)
|
|
{
|
|
df::plant* cPlant=block->plants[i];
|
|
|
|
df::coord2d pos=cPlant->pos;
|
|
int wx=pos.x-window_x+vp.first.x;
|
|
int wy=pos.y-window_y+vp.first.y;
|
|
int tile=getIndex(wx,wy);
|
|
if(wx>=vp.first.x && wy>=vp.first.y && wx<=vp.second.x && wy<=vp.second.y)
|
|
{
|
|
auto it=glowPlants.find(cPlant->material);
|
|
if(it!=glowPlants.end())
|
|
{
|
|
addLight(tile,it->second);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(df::global::cursor->x>-30000)
|
|
{
|
|
lightSource cursor(lightCell(0.96f,0.84f,0.03f),11);
|
|
cursor.flicker=true;
|
|
int wx=df::global::cursor->x-window_x+vp.first.x;
|
|
int wy=df::global::cursor->y-window_y+vp.first.y;
|
|
int tile=getIndex(wx,wy);
|
|
addLight(tile,cursor);
|
|
}
|
|
lightSource citizen(lightCell(0.80f,0.80f,0.90f),6);
|
|
for (int i=0;i<df::global::world->units.active.size();++i)
|
|
{
|
|
df::unit *u = df::global::world->units.active[i];
|
|
if (u->pos.z != window_z ||
|
|
(u->pos.x < window_x || u->pos.x >= window_x+vpW) ||
|
|
(u->pos.y < window_y || u->pos.y >= window_y+vpH))
|
|
continue;
|
|
if (DFHack::Units::isCitizen(u) && !u->counters.unconscious)
|
|
addLight(getIndex(u->pos.x-window_x+1, u->pos.y-window_y+1),citizen);
|
|
}
|
|
}
|