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dfhack/plugins/rendermax/renderer_light.cpp

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#include "renderer_light.hpp"
#include <functional>
#include <string>
#include <math.h>
#include "LuaTools.h"
#include "modules/Gui.h"
#include "modules/Screen.h"
#include "modules/Maps.h"
#include "modules/Units.h"
#include "df/graphic.h"
#include "df/viewscreen_dwarfmodest.h"
#include "df/viewscreen_dungeonmodest.h"
#include "df/flow_info.h"
#include "df/world.h"
#include "df/building.h"
#include "df/building_doorst.h"
#include "df/plant.h"
#include "df/plant_raw.h"
using df::global::gps;
using namespace DFHack;
using df::coord2d;
const float levelDim=0.2f;
const float RootTwo = 1.4142135623730950488016887242097f;
rect2d getMapViewport()
{
const int AREA_MAP_WIDTH = 23;
const int MENU_WIDTH = 30;
if(!gps || !df::viewscreen_dwarfmodest::_identity.is_instance(DFHack::Gui::getCurViewscreen()))
{
if(gps && df::viewscreen_dungeonmodest::_identity.is_instance(DFHack::Gui::getCurViewscreen()))
{
return mkrect_wh(0,0,gps->dimx,gps->dimy);
}
else
return mkrect_wh(0,0,0,0);
}
int w=gps->dimx;
int h=gps->dimy;
int view_height=h-2;
int area_x2 = w-AREA_MAP_WIDTH-2;
int menu_x2=w-MENU_WIDTH-2;
int menu_x1=area_x2-MENU_WIDTH-1;
int view_rb=w-1;
int area_pos=*df::global::ui_area_map_width;
int menu_pos=*df::global::ui_menu_width;
if(area_pos<3)
{
view_rb=area_x2;
}
if (menu_pos<area_pos || df::global::ui->main.mode!=0)
{
if (menu_pos >= area_pos)
menu_pos = area_pos-1;
int menu_x = menu_x2;
if(menu_pos < 2) menu_x = menu_x1;
view_rb = menu_x;
}
return mkrect_wh(1,1,view_rb,view_height+1);
}
lightingEngineViewscreen::lightingEngineViewscreen(renderer_light* target):lightingEngine(target)
{
reinit();
defaultSettings();
loadSettings();
}
void lightingEngineViewscreen::reinit()
{
if(!gps)
return;
w=gps->dimx;
h=gps->dimy;
size_t size=w*h;
lightMap.resize(size,lightCell(1,1,1));
ocupancy.resize(size);
lights.resize(size);
}
void plotCircle(int xm, int ym, int r,std::function<void(int,int)> setPixel)
{
int x = -r, y = 0, err = 2-2*r; /* II. Quadrant */
do {
setPixel(xm-x, ym+y); /* I. Quadrant */
setPixel(xm-y, ym-x); /* II. Quadrant */
setPixel(xm+x, ym-y); /* III. Quadrant */
setPixel(xm+y, ym+x); /* IV. Quadrant */
r = err;
if (r <= y) err += ++y*2+1; /* e_xy+e_y < 0 */
if (r > x || err > y) err += ++x*2+1; /* e_xy+e_x > 0 or no 2nd y-step */
} while (x < 0);
}
void plotLine(int x0, int y0, int x1, int y1,std::function<bool(int,int,int,int)> setPixel)
{
int dx = abs(x1-x0), sx = x0<x1 ? 1 : -1;
int dy = -abs(y1-y0), sy = y0<y1 ? 1 : -1;
int err = dx+dy, e2; /* error value e_xy */
int rdx=0;
int rdy=0;
for(;;){ /* loop */
if(rdx!=0 || rdy!=0) //dirty hack to skip occlusion on the first tile.
if(!setPixel(rdx,rdy,x0,y0))
return;
if (x0==x1 && y0==y1) break;
e2 = 2*err;
rdx=rdy=0;
if (e2 >= dy) { err += dy; x0 += sx; rdx=sx;} /* e_xy+e_x > 0 */
if (e2 <= dx) { err += dx; y0 += sy; rdy=sy;} /* e_xy+e_y < 0 */
}
}
lightCell blend(lightCell a,lightCell b)
{
return lightCell(std::max(a.r,b.r),std::max(a.g,b.g),std::max(a.b,b.b));
}
bool lightingEngineViewscreen::lightUpCell(lightCell& power,int dx,int dy,int tx,int ty)
{
if(isInViewport(coord2d(tx,ty),mapPort))
{
size_t tile=getIndex(tx,ty);
int dsq=dx*dx+dy*dy;
float dt=1;
if(dsq == 1)
dt=1;
else if(dsq == 2)
dt = RootTwo;
else if(dsq == 0)
dt = 0;
else
dt=sqrt((float)dsq);
lightCell& v=ocupancy[tile];
lightSource& ls=lights[tile];
bool wallhack=false;
if(v.r+v.g+v.b==0)
wallhack=true;
if (dsq>0 && !wallhack)
{
power*=v.power(dt);
}
if(ls.radius>0 && dsq>0)
{
if(power<ls.power)
return false;
}
//float dt=sqrt(dsq);
lightCell oldCol=lightMap[tile];
lightCell ncol=blend(power,oldCol);
lightMap[tile]=ncol;
if(wallhack)
return false;
float pwsq=power.r*power.r+power.g*power.g+power.b*power.b;
return pwsq>levelDim*levelDim;
}
else
return false;
}
void lightingEngineViewscreen::doRay(lightCell power,int cx,int cy,int tx,int ty)
{
using namespace std::placeholders;
lightCell curPower=power;
plotLine(cx,cy,tx,ty,std::bind(&lightingEngineViewscreen::lightUpCell,this,std::ref(curPower),_1,_2,_3,_4));
}
void lightingEngineViewscreen::doFovs()
{
mapPort=getMapViewport();
using namespace std::placeholders;
for(int i=mapPort.first.x;i<mapPort.second.x;i++)
for(int j=mapPort.first.y;j<mapPort.second.y;j++)
{
lightSource& csource=lights[getIndex(i,j)];
if(csource.radius>0)
{
lightCell power=csource.power;
int radius =csource.radius;
if(csource.flicker)
{
float flicker=(rand()/(float)RAND_MAX)/2.0f+0.5f;
radius*=flicker;
power=power*flicker;
}
int surrounds = 0;
lightCell curPower;
lightUpCell(curPower = power, 0, 0,i+0, j+0);
{
surrounds += lightUpCell(curPower = power, 0, 1,i+0, j+1);
surrounds += lightUpCell(curPower = power, 1, 1,i+1, j+1);
surrounds += lightUpCell(curPower = power, 1, 0,i+1, j+0);
surrounds += lightUpCell(curPower = power, 1,-1,i+1, j-1);
surrounds += lightUpCell(curPower = power, 0,-1,i+0, j-1);
surrounds += lightUpCell(curPower = power,-1,-1,i-1, j-1);
surrounds += lightUpCell(curPower = power,-1, 0,i-1, j+0);
surrounds += lightUpCell(curPower = power,-1, 1,i-1, j+1);
}
if(surrounds)
plotCircle(i,j,radius,
std::bind(&lightingEngineViewscreen::doRay,this,power,i,j,_1,_2));
}
}
}
void lightingEngineViewscreen::calculate()
{
rect2d vp=getMapViewport();
const lightCell dim(levelDim,levelDim,levelDim);
lightMap.assign(lightMap.size(),lightCell(1,1,1));
lights.assign(lights.size(),lightSource());
for(int i=vp.first.x;i<vp.second.x;i++)
for(int j=vp.first.y;j<vp.second.y;j++)
{
lightMap[getIndex(i,j)]=dim;
}
doOcupancyAndLights();
doFovs();
//for each lightsource in viewscreen+x do light
}
void lightingEngineViewscreen::updateWindow()
{
tthread::lock_guard<tthread::fast_mutex> guard(myRenderer->dataMutex);
if(lightMap.size()!=myRenderer->lightGrid.size())
{
reinit();
myRenderer->invalidate();
return;
}
//if(showOcupancy)
//std::swap(ocupancy,myRenderer->lightGrid);
//else
std::swap(lightMap,myRenderer->lightGrid);
rect2d vp=getMapViewport();
//myRenderer->invalidateRect(vp.first.x,vp.first.y,vp.second.x-vp.first.x,vp.second.y-vp.first.y);
myRenderer->invalidate();
//std::copy(lightMap.begin(),lightMap.end(),myRenderer->lightGrid.begin());
}
static size_t max_list_size = 100000; // Avoid iterating over huge lists
void lightSource::combine(const lightSource& other)
{
power=blend(power,other.power);
radius=std::max(other.radius,radius);//hack... but who cares
}
bool lightingEngineViewscreen::addLight(int tileId,const lightSource& light)
{
bool wasLight=lights[tileId].radius>0;
lights[tileId].combine(light);
if(light.flicker)
lights[tileId].flicker=true;
return wasLight;
}
lightCell getStandartColor(int colorId)
{
return lightCell(df::global::enabler->ccolor[colorId][0]/255.0f,
df::global::enabler->ccolor[colorId][1]/255.0f,
df::global::enabler->ccolor[colorId][2]/255.0f);
}
int getPlantNumber(const std::string& id)
{
std::vector<df::plant_raw*>& vec=df::plant_raw::get_vector();
for(int i=0;i<vec.size();i++)
{
if(vec[i]->id==id)
return i;
}
return -1;
}
void addPlant(const std::string& id,std::map<int,lightSource>& map,const lightSource& v)
{
int nId=getPlantNumber(id);
if(nId>0)
{
map[nId]=v;
}
}
matLightDef* lightingEngineViewscreen::getMaterial(int matType,int matIndex)
{
auto it=matDefs.find(std::make_pair(matType,matIndex));
if(it!=matDefs.end())
return &it->second;
else
return NULL;
}
void lightingEngineViewscreen::applyMaterial(int tileId,const matLightDef& mat,float size, float thickness)
{
if(mat.isTransparent)
{
if(thickness > 0.999 && thickness < 1.001)
ocupancy[tileId]*=mat.transparency;
else
ocupancy[tileId]*=(mat.transparency.power(thickness));
}
else
ocupancy[tileId]=lightCell(0,0,0);
if(mat.isEmiting)
addLight(tileId,mat.makeSource(size));
}
bool lightingEngineViewscreen::applyMaterial(int tileId,int matType,int matIndex,float size,const matLightDef* def)
{
matLightDef* m=getMaterial(matType,matIndex);
if(m)
{
applyMaterial(tileId,*m,size);
return true;
}
else if(def)
{
applyMaterial(tileId,*def,size);
}
return false;
}
lightCell lightingEngineViewscreen::propogateSun(MapExtras::Block* b, int x,int y,const lightCell& in,bool lastLevel)
{
const lightCell matStairCase(0.9f,0.9f,0.9f);
lightCell ret=in;
coord2d innerCoord(x,y);
df::tiletype type = b->tiletypeAt(innerCoord);
df::tile_designation d = b->DesignationAt(innerCoord);
//df::tile_occupancy o = b->OccupancyAt(innerCoord);
df::tiletype_shape shape = ENUM_ATTR(tiletype,shape,type);
df::tiletype_shape_basic basic_shape = ENUM_ATTR(tiletype_shape, basic_shape, shape);
DFHack::t_matpair mat=b->staticMaterialAt(innerCoord);
df::tiletype_material tileMat= ENUM_ATTR(tiletype,material,type);
matLightDef* lightDef;
if(tileMat==df::tiletype_material::FROZEN_LIQUID)
lightDef=&matIce;
else
lightDef=getMaterial(mat.mat_type,mat.mat_index);
if(!lightDef || !lightDef->isTransparent)
lightDef=&matWall;
if(basic_shape==df::tiletype_shape_basic::Wall)
{
ret*=lightDef->transparency;
}
else if(basic_shape==df::tiletype_shape_basic::Floor || basic_shape==df::tiletype_shape_basic::Ramp || shape==df::tiletype_shape::STAIR_UP)
{
if(!lastLevel)
ret*=lightDef->transparency.power(1.0f/7.0f);
}
else if(shape==df::tiletype_shape::STAIR_DOWN || shape==df::tiletype_shape::STAIR_UPDOWN)
{
ret*=matStairCase;
}
if(d.bits.liquid_type == df::enums::tile_liquid::Water && d.bits.flow_size > 0)
{
ret *=matWater.transparency.power((float)d.bits.flow_size/7.0f);
}
else if(d.bits.liquid_type == df::enums::tile_liquid::Magma && d.bits.flow_size > 0)
{
ret *=matLava.transparency.power((float)d.bits.flow_size/7.0f);
}
return ret;
}
coord2d lightingEngineViewscreen::worldToViewportCoord(const coord2d& in,const rect2d& r,const coord2d& window2d)
{
return in-window2d+r.first;
}
bool lightingEngineViewscreen::isInViewport(const coord2d& in,const rect2d& r)
{
if(in.x>=r.first.x && in.y>=r.first.y && in.x<r.second.x && in.y<r.second.y)
return true;
return false;
}
static size_t max_list_size = 100000; // Avoid iterating over huge lists
void lightingEngineViewscreen::doSun(const lightSource& sky,MapExtras::MapCache& map)
{
//TODO fix this mess
int window_x=*df::global::window_x;
int window_y=*df::global::window_y;
coord2d window2d(window_x,window_y);
int window_z=*df::global::window_z;
rect2d vp=getMapViewport();
coord2d vpSize=rect_size(vp);
rect2d blockVp;
blockVp.first=window2d/16;
blockVp.second=(window2d+vpSize)/16;
blockVp.second.x=std::min(blockVp.second.x,(int16_t)df::global::world->map.x_count_block);
blockVp.second.y=std::min(blockVp.second.y,(int16_t)df::global::world->map.y_count_block);
//endof mess
for(int blockX=blockVp.first.x;blockX<=blockVp.second.x;blockX++)
for(int blockY=blockVp.first.y;blockY<=blockVp.second.y;blockY++)
{
lightCell cellArray[16][16];
for(int block_x = 0; block_x < 16; block_x++)
for(int block_y = 0; block_y < 16; block_y++)
cellArray[block_x][block_y] = sky.power;
int emptyCell=0;
for(int z=df::global::world->map.z_count-1;z>=window_z && emptyCell<256;z--)
{
MapExtras::Block* b=map.BlockAt(DFCoord(blockX,blockY,z));
if(!b)
continue;
emptyCell=0;
for(int block_x = 0; block_x < 16; block_x++)
for(int block_y = 0; block_y < 16; block_y++)
{
lightCell& curCell=cellArray[block_x][block_y];
curCell=propogateSun(b,block_x,block_y,curCell,z==window_z);
if(curCell.dot(curCell)<0.003f)
emptyCell++;
}
}
if(emptyCell==256)
continue;
for(int block_x = 0; block_x < 16; block_x++)
for(int block_y = 0; block_y < 16; block_y++)
{
lightCell& curCell=cellArray[block_x][block_y];
df::coord2d pos;
pos.x = blockX*16+block_x;
pos.y = blockY*16+block_y;
pos=worldToViewportCoord(pos,vp,window2d);
if(isInViewport(pos,vp) && curCell.dot(curCell)>0.003f)
{
lightSource sun=lightSource(curCell,15);
addLight(getIndex(pos.x,pos.y),sun);
}
}
}
}
void lightingEngineViewscreen::doOcupancyAndLights()
{
// TODO better curve (+red dawn ?)
float daycol = 1;//abs((*df::global::cur_year_tick % 1200) - 600.0) / 400.0;
lightCell sky_col(daycol, daycol, daycol);
lightSource sky(sky_col, 15);
lightSource candle(lightCell(0.96f,0.84f,0.03f),5);
lightSource torch(lightCell(0.9f,0.75f,0.3f),8);
//perfectly blocking material
MapExtras::MapCache cache;
doSun(sky,cache);
int window_x=*df::global::window_x;
int window_y=*df::global::window_y;
coord2d window2d(window_x,window_y);
int window_z=*df::global::window_z;
rect2d vp=getMapViewport();
coord2d vpSize=rect_size(vp);
rect2d blockVp;
blockVp.first=coord2d(window_x,window_y)/16;
blockVp.second=(window2d+vpSize)/16;
blockVp.second.x=std::min(blockVp.second.x,(int16_t)df::global::world->map.x_count_block);
blockVp.second.y=std::min(blockVp.second.y,(int16_t)df::global::world->map.y_count_block);
for(int blockX=blockVp.first.x;blockX<=blockVp.second.x;blockX++)
for(int blockY=blockVp.first.y;blockY<=blockVp.second.y;blockY++)
{
MapExtras::Block* b=cache.BlockAt(DFCoord(blockX,blockY,window_z));
MapExtras::Block* bDown=cache.BlockAt(DFCoord(blockX,blockY,window_z-1));
if(!b)
continue; //empty blocks fixed by sun propagation
for(int block_x = 0; block_x < 16; block_x++)
for(int block_y = 0; block_y < 16; block_y++)
{
df::coord2d pos;
pos.x = blockX*16+block_x;
pos.y = blockY*16+block_y;
df::coord2d gpos=pos;
pos=worldToViewportCoord(pos,vp,window2d);
if(!isInViewport(pos,vp))
continue;
int tile=getIndex(pos.x,pos.y);
lightCell& curCell=ocupancy[tile];
curCell=matAmbience.transparency;
df::tiletype type = b->tiletypeAt(gpos);
df::tile_designation d = b->DesignationAt(gpos);
//df::tile_occupancy o = b->OccupancyAt(gpos);
df::tiletype_shape shape = ENUM_ATTR(tiletype,shape,type);
df::tiletype_shape_basic basic_shape = ENUM_ATTR(tiletype_shape, basic_shape, shape);
df::tiletype_material tileMat= ENUM_ATTR(tiletype,material,type);
DFHack::t_matpair mat=b->staticMaterialAt(gpos);
matLightDef* lightDef=getMaterial(mat.mat_type,mat.mat_index);
if(!lightDef || !lightDef->isTransparent)
lightDef=&matWall;
if(shape==df::tiletype_shape::BROOK_BED || d.bits.hidden )
{
curCell=lightCell(0,0,0);
}
else if(shape==df::tiletype_shape::WALL)
{
if(tileMat==df::tiletype_material::FROZEN_LIQUID)
applyMaterial(tile,matIce);
else
applyMaterial(tile,*lightDef);
}
else if(!d.bits.liquid_type && d.bits.flow_size>0 )
{
applyMaterial(tile,matWater, 1, (float)d.bits.flow_size/7.0f);
}
if(d.bits.liquid_type && d.bits.flow_size>0)
{
applyMaterial(tile,matLava);
}
else if(shape==df::tiletype_shape::EMPTY || shape==df::tiletype_shape::RAMP_TOP
|| shape==df::tiletype_shape::STAIR_DOWN || shape==df::tiletype_shape::STAIR_UPDOWN)
{
if(bDown)
{
df::tile_designation d2=bDown->DesignationAt(gpos);
if(d2.bits.liquid_type && d2.bits.flow_size>0)
{
applyMaterial(tile,matLava);
}
}
}
}
df::map_block* block=b->getRaw();
if(!block)
continue;
//flows
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;
pos=worldToViewportCoord(pos,vp,window2d);
int tile=getIndex(pos.x,pos.y);
if(isInViewport(pos,vp))
{
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);
}
}
}
//plants
for(int i=0;i<block->plants.size();i++)
{
df::plant* cPlant=block->plants[i];
df::coord2d pos=cPlant->pos;
pos=worldToViewportCoord(pos,vp,window2d);
int tile=getIndex(pos.x,pos.y);
if(isInViewport(pos,vp))
{
applyMaterial(tile,419,cPlant->material);
}
}
}
if(df::global::cursor->x>-30000)
{
lightSource cursor(lightCell(0.96f,0.84f,0.03f),11);
cursor.flicker=false;
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);
applyMaterial(tile,matCursor);
}
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];
coord2d pos=worldToViewportCoord(coord2d(u->pos.x,u->pos.y),vp,window2d);
if(u->pos.z==window_z && isInViewport(pos,vp))
if (DFHack::Units::isCitizen(u) && !u->counters.unconscious)
addLight(getIndex(pos.x,pos.y),citizen);
}
//buildings
for(size_t i = 0; i < df::global::world->buildings.all.size(); i++)
{
df::building *bld = df::global::world->buildings.all[i];
if(window_z!=bld->z)
continue;
df::coord2d p1(bld->x1,bld->y1);
df::coord2d p2(bld->x2,bld->y2);
p1=worldToViewportCoord(p1,vp,window2d);
p2=worldToViewportCoord(p1,vp,window2d);
if(isInViewport(p1,vp)||isInViewport(p2,vp))
{
int tile=getIndex(p1.x,p1.y); //TODO multitile buildings. How they would work?
df::building_type type = bld->getType();
if (type == df::enums::building_type::WindowGlass || type==df::enums::building_type::WindowGem)
{
applyMaterial(tile,bld->mat_type,bld->mat_index);
}
if (type == df::enums::building_type::Table)
{
addLight(tile,candle);
}
if (type==df::enums::building_type::Statue)
{
addLight(tile,torch);
}
if(type==df::enums::building_type::Door)
{
df::building_doorst* door=static_cast<df::building_doorst*>(bld);
if(door->door_flags.bits.closed)
applyMaterial(tile,bld->mat_type,bld->mat_index,1,&matWall);
}
}
}
}
lightCell lua_parseLightCell(lua_State* L)
{
lightCell ret;
lua_pushnumber(L,1);
lua_gettable(L,-2);
ret.r=lua_tonumber(L,-1);
lua_pop(L,1);
lua_pushnumber(L,2);
lua_gettable(L,-2);
ret.g=lua_tonumber(L,-1);
lua_pop(L,1);
lua_pushnumber(L,3);
lua_gettable(L,-2);
ret.b=lua_tonumber(L,-1);
lua_pop(L,1);
//Lua::GetOutput(L)->print("got cell(%f,%f,%f)\n",ret.r,ret.g,ret.b);
return ret;
}
matLightDef lua_parseMatDef(lua_State* L)
{
matLightDef ret;
lua_getfield(L,-1,"tr");
if(ret.isTransparent=!lua_isnil(L,-1))
{
ret.transparency=lua_parseLightCell(L);
}
lua_pop(L,1);
lua_getfield(L,-1,"em");
if(ret.isEmiting=!lua_isnil(L,-1))
{
ret.emitColor=lua_parseLightCell(L);
lua_pop(L,1);
lua_getfield(L,-1,"rad");
if(lua_isnil(L,-1))
{
lua_pop(L,1);
luaL_error(L,"Material has emittance but no radius");
}
else
ret.radius=lua_tonumber(L,-1);
lua_pop(L,1);
}
else
lua_pop(L,1);
//todo flags
return ret;
}
int lightingEngineViewscreen::parseMaterials(lua_State* L)
{
auto engine= (lightingEngineViewscreen*)lua_touserdata(L, 1);
engine->matDefs.clear();
//color_ostream* os=Lua::GetOutput(L);
Lua::StackUnwinder unwinder(L);
lua_getfield(L,2,"materials");
if(!lua_istable(L,-1))
{
luaL_error(L,"Materials table not found.");
return 0;
}
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
int type=lua_tonumber(L,-2);
//os->print("Processing type:%d\n",type);
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
int index=lua_tonumber(L,-2);
//os->print("\tProcessing index:%d\n",index);
engine->matDefs[std::make_pair(type,index)]=lua_parseMatDef(L);
lua_pop(L, 1);
}
lua_pop(L, 1);
}
return 0;
}
#define LOAD_SPECIAL(lua_name,class_name) \
lua_getfield(L,-1,#lua_name);\
if(!lua_isnil(L,-1))engine->class_name=lua_parseMatDef(L);\
lua_pop(L,1)
int lightingEngineViewscreen::parseSpecial(lua_State* L)
{
auto engine= (lightingEngineViewscreen*)lua_touserdata(L, 1);
Lua::StackUnwinder unwinder(L);
lua_getfield(L,2,"special");
if(!lua_istable(L,-1))
{
luaL_error(L,"Special table not found.");
return 0;
}
LOAD_SPECIAL(LAVA,matLava);
LOAD_SPECIAL(WATER,matWater);
LOAD_SPECIAL(FROZEN_LIQUID,matIce);
LOAD_SPECIAL(AMBIENT,matAmbience);
LOAD_SPECIAL(CURSOR,matCursor);
return 0;
}
#undef LOAD_SPECIAL
void lightingEngineViewscreen::defaultSettings()
{
matAmbience=matLightDef(lightCell(0.85f,0.85f,0.85f));
matLava=matLightDef(lightCell(0.8f,0.2f,0.2f),lightCell(0.8f,0.2f,0.2f),5);
matWater=matLightDef(lightCell(0.6f,0.6f,0.8f));
matIce=matLightDef(lightCell(0.7f,0.7f,0.9f));
matCursor=matLightDef(lightCell(0.96f,0.84f,0.03f),11);
matCursor.flicker=true;
matWall=matLightDef(lightCell(0,0,0));
}
void lightingEngineViewscreen::loadSettings()
{
const std::string settingsfile="rendermax.lua";
CoreSuspender lock;
color_ostream_proxy out(Core::getInstance().getConsole());
lua_State* s=DFHack::Lua::Core::State;
lua_newtable(s);
int env=lua_gettop(s);
try{
int ret=luaL_loadfile(s,settingsfile.c_str());
if(ret==LUA_ERRFILE)
{
out.printerr("File not found:%s\n",settingsfile.c_str());
}
else if(ret==LUA_ERRSYNTAX)
{
out.printerr("Syntax error:\n\t%s\n",lua_tostring(s,-1));
}
else
{
lua_pushvalue(s,env);
if(Lua::SafeCall(out,s,1,0))
{
lua_pushcfunction(s, parseMaterials);
lua_pushlightuserdata(s, this);
lua_pushvalue(s,env);
Lua::SafeCall(out,s,2,0);
out.print("%d materials loaded\n",matDefs.size());
lua_pushcfunction(s, parseSpecial);
lua_pushlightuserdata(s, this);
lua_pushvalue(s,env);
Lua::SafeCall(out,s,2,0);
}
}
}
catch(std::exception& e)
{
out.printerr("%s",e.what());
}
lua_pop(s,1);
}
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