dfhack/plugins/rendermax/renderer_light.hpp

183 lines
5.3 KiB
C++

#ifndef RENDERER_LIGHT_INCLUDED
#define RENDERER_LIGHT_INCLUDED
#include "renderer_opengl.hpp"
#include "Types.h"
#include <map>
#include "modules/MapCache.h"
struct renderer_light : public renderer_wrap {
private:
void colorizeTile(int x,int y)
{
const int tile = x*(df::global::gps->dimy) + y;
old_opengl* p=reinterpret_cast<old_opengl*>(parent);
float *fg = p->fg + tile * 4 * 6;
float *bg = p->bg + tile * 4 * 6;
float *tex = p->tex + tile * 2 * 6;
lightCell light=lightGrid[tile];
for (int i = 0; i < 6; i++) {
*(fg++) *= light.r;
*(fg++) *= light.g;
*(fg++) *= light.b;
*(fg++) = 1;
*(bg++) *= light.r;
*(bg++) *= light.g;
*(bg++) *= light.b;
*(bg++) = 1;
}
}
void reinitLightGrid(int w,int h)
{
tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
lightGrid.resize(w*h);
}
void reinitLightGrid()
{
reinitLightGrid(df::global::gps->dimy,df::global::gps->dimx);
}
public:
tthread::fast_mutex dataMutex;
std::vector<lightCell> lightGrid;
renderer_light(renderer* parent):renderer_wrap(parent)
{
reinitLightGrid();
}
virtual void update_tile(int32_t x, int32_t y) {
renderer_wrap::update_tile(x,y);
tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
colorizeTile(x,y);
};
virtual void update_all() {
renderer_wrap::update_all();
tthread::lock_guard<tthread::fast_mutex> guard(dataMutex);
for (int x = 0; x < df::global::gps->dimx; x++)
for (int y = 0; y < df::global::gps->dimy; y++)
colorizeTile(x,y);
};
virtual void grid_resize(int32_t w, int32_t h) {
renderer_wrap::grid_resize(w,h);
reinitLightGrid(w,h);
};
virtual void resize(int32_t w, int32_t h) {
renderer_wrap::resize(w,h);
reinitLightGrid();
}
};
class lightingEngine
{
public:
lightingEngine(renderer_light* target):myRenderer(target){}
virtual void reinit()=0;
virtual void calculate()=0;
virtual void updateWindow()=0;
virtual void loadSettings()=0;
protected:
renderer_light* myRenderer;
};
struct lightSource
{
lightCell power;
int radius;
bool flicker;
lightSource():power(0,0,0),radius(0),flicker(false)
{
}
lightSource(lightCell power,int radius):power(power),radius(radius),flicker(false)
{
}
float powerSquared()const
{
return power.r*power.r+power.g*power.g+power.b*power.b;
}
void combine(const lightSource& other);
};
struct matLightDef
{
int mat_index;
int mat_type;
bool isTransparent;
lightCell transparency;
bool isEmiting;
bool sizeModifiesPower;
bool sizeModifiesRange;
bool flicker;
lightCell emitColor;
int radius;
matLightDef(){}
matLightDef(lightCell transparency,lightCell emit,int rad):isTransparent(true),isEmiting(true),
transparency(transparency),emitColor(emit),radius(rad){}
matLightDef(lightCell emit,int rad):isTransparent(false),isEmiting(true),emitColor(emit),radius(rad),transparency(0,0,0){}
matLightDef(lightCell transparency):isTransparent(true),isEmiting(false),transparency(transparency){}
lightSource makeSource(float size=1) const
{
//TODO implement sizeModifiesPower/range
return lightSource(emitColor,radius);
}
};
class lightingEngineViewscreen:public lightingEngine
{
public:
lightingEngineViewscreen(renderer_light* target);
void reinit();
void calculate();
void updateWindow();
void loadSettings();
private:
df::coord2d worldToViewportCoord(const df::coord2d& in,const DFHack::rect2d& r,const df::coord2d& window2d) ;
bool isInViewport(const df::coord2d& in,const DFHack::rect2d& r);
void doSun(const lightSource& sky,MapExtras::MapCache& map);
void doOcupancyAndLights();
lightCell propogateSun(MapExtras::Block* b, int x,int y,const lightCell& in,bool lastLevel);
void doRay(lightCell power,int cx,int cy,int tx,int ty);
void doFovs();
bool lightUpCell(lightCell& power,int dx,int dy,int tx,int ty);
bool addLight(int tileId,const lightSource& light);
matLightDef* getMaterial(int matType,int matIndex);
//apply material to cell
void applyMaterial(int tileId,const matLightDef& mat,float size=1, float thickness = 1);
//try to find and apply material, if failed return false, and if def!=null then apply def.
bool applyMaterial(int tileId,int matType,int matIndex,float size=1,const matLightDef* def=NULL);
size_t inline getIndex(int x,int y)
{
return x*h+y;
}
//maps
std::vector<lightCell> lightMap;
std::vector<lightCell> ocupancy;
std::vector<lightSource> lights;
//settings
///set up sane settings if setting file does not exist.
void defaultSettings();
static int parseMaterials(lua_State* L);
static int parseSpecial(lua_State* L);
//special stuff
matLightDef matLava;
matLightDef matIce;
matLightDef matAmbience;
matLightDef matCursor;
matLightDef matWall;
matLightDef matWater;
//materials
std::map<std::pair<int,int>,matLightDef> matDefs;
int w,h;
DFHack::rect2d mapPort;
};
#endif