/* Called when window needs to be redrawn */
void redraw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
draw_dither();
glRasterPos2i(0, 0);
glPixelZoom(3.f, 3.f);
glDrawPixels(image_w, image_h, GL_RGBA, GL_UNSIGNED_BYTE, (GLubyte *)img);
glPixelZoom(1.f, 1.f);
glAccum(GL_ACCUM, -1.0);
glAccum(GL_RETURN, -1.f);
glRasterPos2i(0, 0);
glDrawBuffer(GL_FRONT); glReadBuffer(GL_FRONT);
pixel_map(1);
glCopyPixels(0, 0, 3*image_w, 3*image_h, GL_COLOR);
pixel_map(0);
CHECK_ERROR("redraw");
}
void killtower(gamedata &g, building &b, double xs, double ys, int h, int side){
// Redraw sky and wreckage
SDL_Rect rect;
rect.x = b.x;
rect.y = b.y - b.towersize*16 - 8;
rect.w = 16;
rect.h = (b.towersize + 1 - h)*16 + 8;
SDL_FillRect(g.gamescreen,&rect, 16);
g.images[198].blit(g.gamescreen,b.x, b.y - h*16);
draw_dither(g.gamescreen, b.x, b.y - b.towersize*16 - 8, 16,
(b.towersize + 1 - h)*16 + 8);
for (int i=h+1;i<=b.towersize;i++){
falltype fragment;
fragment.x = double(b.x);
fragment.y = double(b.y) - i*16.0;
fragment.xs = xs;
fragment.ys = ys;
fragment.image = 197;
fragment.side = side;
fragment.type = 2;
g.fall.add(fragment);
falltype shrapnel;
shrapnel.x = double(b.x) + 6.0;
shrapnel.y = double(b.y) - i*16.0;
shrapnel.xs = (2.0*drand() - 1.0) * GAME_SPEED;
shrapnel.ys = (-1.5*drand() - 1.5) * GAME_SPEED;
shrapnel.image = b.shrapnelimage + int(drand()*3);
shrapnel.type = 1;
g.fall.add(shrapnel);
}
if ((b.deadimage > 0) && (h<b.towersize)){
falltype roof;
roof.x = double(b.x);
roof.y = double(b.y) - (b.towersize+1)*16.0;
roof.xs = xs;
roof.ys = ys;
roof.image = b.deadimage;
roof.type = 1;
g.fall.add(roof);
}
for (int j=0;j<3;j++){
falltype shrapnel;
shrapnel.x = double(b.x) + 6.0;
shrapnel.y = double(b.y) - h*16.0;
shrapnel.xs = (2.0*drand() - 1.0) * GAME_SPEED;
shrapnel.ys = (-1.5*drand() - 1.5) * GAME_SPEED;
shrapnel.image = b.shrapnelimage + int(drand()*3);
shrapnel.type = 1;
g.fall.add(shrapnel);
}
// Explosion at top
firetype boom;
boom.x = b.x;
boom.y = b.y - h*16;
boom.time = 0;
boom.type = 0;
g.explosion.add(boom);
// Fire if tower levelled
if (h == 0){
firetype fire;
fire.x = b.x;
fire.y = b.y;
fire.time = 0;
g.flame.add(fire);
}
// Recalculate intelligence map
setup_intelligence(g.gamemap);
// Reduce height of tower
b.towersize = h - 1;
// Remove tower if levelled
if (h == 0){
b.type = 0;
}else{
b.deadimage = 199;
}
g.sound.play(SOUND_EXPLODE);
}
void killbuilding(gamedata &g, building &b){
// Draw dead image
//gl_setcontext(&g.gamescreen);
g.images[b.deadimage].blit(g.gamescreen,b.x, b.y);
draw_dither(g.gamescreen, b.x, b.y, 16, 24);
// Subtract points if owned building
if (b.side > 0)
g.dp.reset();
while (g.dp.next()){
if (b.side == g.dp().side){
g.dp().scoreloss += int(b.points*0.5);
}else{
g.dp().buildingwin--;
}
}
if (b.image != 71){ // not a fuel canister
if (b.type != 1){ // not a tree
firetype boom;
boom.x = b.x;
boom.y = b.y;
boom.time = 0;
boom.type = 0;
g.explosion.add(boom);
firetype fire;
fire.x = b.x;
fire.y = b.y;
fire.time = 0;
g.flame.add(fire);
}
for (int i=0;i<3;i++){
falltype shrapnel;
shrapnel.x = double(b.x) + 6.0;
shrapnel.y = double(b.y);
shrapnel.xs = (2.0*drand() - 1.0) * GAME_SPEED;
shrapnel.ys = (-1.5*drand() - 1.5) * GAME_SPEED;
switch(i){
case 0: case 1:
shrapnel.image = b.shrapnelimage + int(drand()*3);
break;
case 2:
shrapnel.image = b.shrapnelimage2 + int(drand()*3);
break;
}
shrapnel.type = 1;
if (b.type == 1) shrapnel.type = 0;
g.fall.add(shrapnel);
}
g.sound.play(SOUND_EXPLODE);
}else{ // fuel blows up
firetype boom;
boom.x = int(b.x-8);
boom.y = int(b.y-16);
boom.time = 0;
boom.type = 1;
g.explosion.add(boom);
firetype fire;
fire.x = b.x;
fire.y = b.y;
fire.time = 0;
g.flame.add(fire);
fire.x = b.x - 8;
fire.time = int(drand()*10.0*GAME_SPEED);
g.flame.add(fire);
fire.x = b.x + 8;
fire.time = int(drand()*10.0*GAME_SPEED);
g.flame.add(fire);
int shrapnelbits = 7 + int(drand()*4);
for (int i=0;i<shrapnelbits;i++){
falltype shrapnel;
shrapnel.x = double(b.x) + 6.0;
shrapnel.y = double(b.y);
shrapnel.xs = (2.0*drand() - 1.0) * GAME_SPEED;
shrapnel.ys = (-2.0*drand() - 4.0) * GAME_SPEED;
shrapnel.image = b.shrapnelimage + int(drand()*3);
shrapnel.type = 1;
g.fall.add(shrapnel);
}
g.sound.play(SOUND_FUELEXPLODE);
}
// Check for radar or gun kills
switch(b.type){
case 4: // radar
g.radar.reset();
while (g.radar.next()){
if (b.id == g.radar().id) g.radar.kill();
}
break;
case 5: // guns
g.gun.reset();
while (g.gun.next()){
if (b.id == g.gun().id) g.gun.kill();
}
break;
}
// Remove the building
b.type = 0;
}