diff options
Diffstat (limited to 'src/World.cpp')
| -rw-r--r-- | src/World.cpp | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/World.cpp b/src/World.cpp deleted file mode 100644 index 49bdf0d..0000000 --- a/src/World.cpp +++ /dev/null @@ -1,141 +0,0 @@ -#include <World.h>
-#include <cstdio>
-
-// Layer modulation in draw()
-static float drawOffsetX=0,
- drawOffsetY=0;
-
-// Generates a blank world
-World::World(void){
- line=NULL;
- lineCount=entCount=0;
- toLeft=toRight=behind=infront=NULL;
-}
-// Generates a legit world
-World::World(const float width,World *l,World *r){
- unsigned int i;
- double f;
- lineCount=width/HLINE+11; // Last 10 lines won't be drawn
- if((line=(struct line_t *)calloc(lineCount,sizeof(struct line_t)))==NULL){ // Allocate buffer for lines
- std::cout<<"Failed to allocate memory!"<<std::endl;
- abort();
- }
- toLeft=l; // Set other variables
- toRight=r;
- behind=infront=NULL;
- entCount=0;
- entity=(void **)calloc(MAX_ENTITIES,sizeof(void *));
- if(toLeft){ // Make sure linked worlds link back
- if(toLeft->toRight){
- std::cout<<"There's already a world to the left!"<<std::endl;
- abort();
- }else toLeft->toRight=this;
- }
- if(toRight){
- if(toRight->toLeft){
- std::cout<<"There's already a world to the right!"<<std::endl;
- abort();
- }else toRight->toLeft=this;
- }
- line[0].start=(grand()%100)/100.0f-0.8f; // Set .start of first line
- if(line[0].start>-0.5f)line[0].start=-0.7f; // Don't let the ground take up too much of the window
- for(i=10;i<lineCount;i+=10){ // Set heights for every 10 lines
- line[i].start=((double)((grand()%50)+400))/1000.0f-1;
- }
- for(i=0;i<lineCount;i++){ // Set heights for other lines based on those
- if(!(i%10)||!i){
- f=line[i+10].start-line[i].start; // 1/10th of difference between the two heights
- f/=10.0f;
- }else{
- line[i].start=line[i-1].start+f;
- }
- line[i].color=(grand()%2)*10+130;
- }
-}
-// Set RGB color with potentially not 8-bit values
-void safeSetColor(int r,int g,int b){
- if(r>255)r=255;else if(r<0)r=0;
- if(g>255)g=255;else if(g<0)g=0;
- if(b>255)b=255;else if(b<0)b=0;
- glColor3ub(r,g,b);
-}
-void World::draw(void){
- unsigned int i;
- float x,y,hline=HLINE;
- World *root,*cur;
- int shade;
- root=cur=this;
-LOOP:
- if(cur->behind){ // If there's a layer behind us,
- drawOffsetX+=(cur->getWidth()-cur->behind->getWidth())/2; // set drawOffsetX so that it will be centered behind this one
- drawOffsetY+=.3; // Push it back a bit for depth-feel
- //hline/=2;
- cur=cur->behind; // Go back one
- goto LOOP; // loop
- }
-LOOP2: // Should be in furthest back layer once this is first reached
- shade=30*(drawOffsetY/.3); // Trash shaders
- glBegin(GL_QUADS);
- for(i=0;i<cur->lineCount-10;i++){ // Draw the layer
- x=(hline*i)-1+drawOffsetX; // Pre-calculate x for 'optimization'
- y=cur->line[i].start+drawOffsetY; // same, but y
- safeSetColor(0,200+shade,0); // Set shaded green for grass
- glVertex2f(x ,y); // Doodle
- glVertex2f(x+hline,y);
- y-=hline*2; // 'optimization'
- glVertex2f(x+hline,y);
- glVertex2f(x ,y);
- safeSetColor(line[i].color+shade,line[i].color-50+shade,line[i].color-100+shade); // Set shaded brown for dirt
- glVertex2f(x ,y);
- glVertex2f(x+hline,y);
- glVertex2f(x+hline,-1);
- glVertex2f(x ,-1);
- }
- glEnd();
- if(root!=cur){ // If we're still in one of the behinds
- cur=cur->infront; // Move one closer
- drawOffsetX-=(cur->getWidth()-cur->behind->getWidth())/2; // Take off last layer's centering
- drawOffsetY-=.3; // And back-pushing
- //hline*=2;
- goto LOOP2; // Loop the draw
- }else{
- drawOffsetX=drawOffsetY=0; // Reset for next draw() call
- for(i=0;i<entCount;i++){ // Draw any bound entities
- if(entity[i])
- ((Entity **)entity)[i]->draw();
- }
- }
-}
-extern World *spawn;
-void World::detect(vec2 *v,vec2 *vel,const float width){
- unsigned int i;
- for(i=0;i<lineCount-10;i++){ // For every line in world
- if(v->y<line[i].start){ // If we're inside the line
- if(v->x>(HLINE*i)-1&&v->x<(HLINE*i)-1+HLINE){ // And we're inside it ;)
- vel->y=0;v->y=line[i].start+HLINE/8; // Correct
- return; // :/
- }else if(v->x+width>(HLINE*i)-1&&v->x+width<(HLINE*i)-1+HLINE){ // Same as above, but coming from right side instead of left
- vel->y=0;v->y=line[i].start+HLINE/8;
- return; // ;)
- }
- }
- if(v->y>line[i].start+HLINE){ // Trashy gravity handling
- vel->y-=this==spawn?.0000001:.0000003;
- }
- }
-}
-// Calculate the world's width in coordinates
-float World::getWidth(void){
- return (lineCount-11)*HLINE;
-}
-void World::addLayer(const float width){
- if(behind){ // If there's already a layer behind us
- behind->addLayer(width); // Add it back there
- }else{
- behind=new World(width,NULL,NULL); // Otherwise add it directly behind us
- behind->infront=this;
- }
-}
-void World::addEntity(void *addr){
- entity[entCount++]=addr;
-}
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