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-rw-r--r--main.cpp268
1 files changed, 149 insertions, 119 deletions
diff --git a/main.cpp b/main.cpp
index 309c184..6978fdb 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,9 @@
#include <sstream>
#include <cmath>
-//#include <emscripten.h>
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
#include <SDL.h>
@@ -9,6 +11,42 @@
using SDLInitType=std::pair<int,std::pair<SDL_Window*,SDL_Renderer*>>;
+struct Context
+{
+ // initial window size
+ int win_width=640;
+ int win_height=480;
+
+ // some other vars
+ bool quit = false;
+
+ Uint32 frameTime;
+ Uint32 lastFrameTime = 0;
+ Uint32 deltaTime = 0;
+ Uint32 fpsTime = 0;
+ Uint32 fpsCount = 0;
+ Uint32 fps = 0;
+
+ Uint32 mouse_x=0;
+ Uint32 mouse_y=0;
+
+ SDL_Renderer *ren;
+ SDLInitType sdl_init;
+ std::vector<SDL_Texture*> textures;
+
+ int show_tiles_back=6;
+ int show_tiles_front=10;
+ int show_tiles_size=20;
+ int show_tiles_vertical_move=12;
+ int show_tiles_max_height=800;
+ int show_tiles_water_level=-1;
+
+ // init world LEVEL 1
+ World world=1;
+
+};
+
+
// audio from http://www.brainybetty.com/soundsforpowerpoint2.htm
// https://freesound.org/people/ProjectsU012/sounds/341695/
void sdl_play_sound()
@@ -32,7 +70,9 @@ void sdl_play_sound()
// SDL_LoadWAV("music.wav", &wavSpec, &wavBuffer, &wavLength);
// SDL_LoadWAV("win.wav", &wavSpec, &wavBuffer, &wavLength);
+#ifndef __EMSCRIPTEN__
int success = SDL_QueueAudio(deviceId, wavBuffer, wavLength);
+#endif
//SDL_CloseAudioDevice(deviceId);
//SDL_FreeWAV(wavBuffer);
@@ -161,115 +201,60 @@ void sdl_put_str(SDL_Renderer *ren, SDL_Texture *tex,int x, int y,int size,std::
//
-int main(int, char**){
-
- // initial window size
- int win_width=640;
- int win_height=480;
-
- // some other vars
- bool quit = false;
- SDL_Event event;
-
- Uint32 frameTime;
- Uint32 lastFrameTime = 0;
- Uint32 deltaTime = 0;
- Uint32 fpsTime = 0;
- Uint32 fpsCount = 0;
- Uint32 fps = 0;
-
- Uint32 mouse_x=0;
- Uint32 mouse_y=0;
-
- // init SDL and assign SDL_Renderer on success
- SDLInitType sdl_init=sdl_start(win_width,win_height);
- if(sdl_init.first!=0)
- {
- sdl_stop(sdl_init);
- return sdl_init.first;
- }
-
- SDL_Renderer *ren=sdl_init.second.second;
-
- // init Textures
- std::vector<SDL_Texture*> textures;
- textures.push_back(sdl_load_texture("guy01.bmp",0,0,255,ren));
- textures.push_back(sdl_load_texture("guy02.bmp",0,0,255,ren));
- textures.push_back(sdl_load_texture("coin.bmp",255,255,255,ren));
- textures.push_back(sdl_load_texture("fonts.bmp",0,0,0,ren));
- textures.push_back(sdl_load_texture("earth01.bmp",0,0,0,ren));
- textures.push_back(sdl_load_texture("gridder01.bmp",255,255,255,ren));
- textures.push_back(sdl_load_texture("gridder02.bmp",255,255,255,ren));
- textures.push_back(sdl_load_texture("gridder03.bmp",255,255,255,ren));
-
- // init world LEVEL 1
- World world(1);
-
-
-
-
- int show_tiles_back=6;
- int show_tiles_front=10;
- int show_tiles_size=20;
- int show_tiles_vertical_move=12;
- int show_tiles_max_height=800;
- int show_tiles_water_level=-1;
-
- show_tiles_size=win_height/15;
- show_tiles_back=win_width/show_tiles_size*0.25;
- show_tiles_front=win_width/show_tiles_size*1;
+void main_loop(void *arg)
+{
+ Context *ctx=(Context *)arg;
+ SDL_Event event;
- while (!quit)
- {
// calc delta and FPS
- frameTime = SDL_GetTicks();
- deltaTime = frameTime - lastFrameTime;
- lastFrameTime = frameTime;
- fpsTime+=deltaTime;
- fpsCount++;
+ ctx->frameTime = SDL_GetTicks();
+ ctx->deltaTime = ctx->frameTime - ctx->lastFrameTime;
+ ctx->lastFrameTime = ctx->frameTime;
+ ctx->fpsTime+=ctx->deltaTime;
+ ctx->fpsCount++;
- if(fpsTime>1000)
+ if(ctx->fpsTime>1000)
{
- fps=fpsCount*1000/fpsTime;
- fpsTime=0;
- fpsCount=0;
+ ctx->fps=ctx->fpsCount*1000/ctx->fpsTime;
+ ctx->fpsTime=0;
+ ctx->fpsCount=0;
}
// handle events (mouse & kb & win resize)
- while(!quit && SDL_PollEvent(&event))
+ while(!ctx->quit && SDL_PollEvent(&event))
{
if (event.type == SDL_WINDOWEVENT && (event.window.event==SDL_WINDOWEVENT_RESIZED || event.window.event==SDL_WINDOWEVENT_SIZE_CHANGED))
{
// SDL_Log("Window %d size changed to %dx%d",
// event.window.windowID, event.window.data1,
//event.window.data2);
- win_width=event.window.data1;
- win_height=event.window.data2;
+ ctx->win_width=event.window.data1;
+ ctx->win_height=event.window.data2;
- show_tiles_size=win_height/15;
- show_tiles_back=win_width/show_tiles_size*0.25;
- show_tiles_front=win_width/show_tiles_size*1;
+ ctx->show_tiles_size=ctx->win_height/15;
+ ctx->show_tiles_back=ctx->win_width/ctx->show_tiles_size*0.25;
+ ctx->show_tiles_front=ctx->win_width/ctx->show_tiles_size*1;
// while(show_tiles_size%20!=0)show_tiles_size--;
}
if (event.type==SDL_MOUSEBUTTONDOWN)
{
- mouse_x=event.button.x;
- mouse_y=event.button.y;
+ ctx->mouse_x=event.button.x;
+ ctx->mouse_y=event.button.y;
- world.mouseclick((mouse_x+show_tiles_size/2-world.player.x2)/show_tiles_size+world.player.x-show_tiles_back,show_tiles_vertical_move-mouse_y/show_tiles_size);
+ ctx->world.mouseclick((ctx->mouse_x+ctx->show_tiles_size/2-ctx->world.player.x2)/ctx->show_tiles_size+ctx->world.player.x-ctx->show_tiles_back,ctx->show_tiles_vertical_move-ctx->mouse_y/ctx->show_tiles_size);
}
switch (event.type) {
case SDL_QUIT:
- quit = true;
+ ctx->quit = true;
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_ESCAPE)
- quit = true;
+ ctx->quit = true;
break;
default:
break;
@@ -277,43 +262,43 @@ int main(int, char**){
}
// clear screen
- SDL_SetRenderDrawColor(ren, 0, 0, 0, 255);
- SDL_RenderClear(ren);
+ SDL_SetRenderDrawColor(ctx->ren, 0, 0, 0, 255);
+ SDL_RenderClear(ctx->ren);
// render visible area
- for(int i=world.player.x-show_tiles_back;i<world.player.x+show_tiles_front;i++)
+ for(int i=ctx->world.player.x-ctx->show_tiles_back;i<ctx->world.player.x+ctx->show_tiles_front;i++)
{
- int tile_col=i-world.player.x+show_tiles_back;
- if(i<0||i>=world.bricks.size())continue;
+ int tile_col=i-ctx->world.player.x+ctx->show_tiles_back;
+ if(i<0||i>=ctx->world.bricks.size())continue;
- SDL_Rect rect={(int)(tile_col*show_tiles_size-show_tiles_size*world.player.x2),(show_tiles_vertical_move-world.coins_pos[i])*show_tiles_size,show_tiles_size,show_tiles_size};
- SDL_RenderCopy(ren,textures[2],NULL,&rect);
+ SDL_Rect rect={(int)(tile_col*ctx->show_tiles_size-ctx->show_tiles_size*ctx->world.player.x2),(ctx->show_tiles_vertical_move-ctx->world.coins_pos[i])*ctx->show_tiles_size,ctx->show_tiles_size,ctx->show_tiles_size};
+ SDL_RenderCopy(ctx->ren,ctx->textures[2],NULL,&rect);
- for(int j=0;j<world.bricks[i].size();j++)
+ for(int j=0;j<ctx->world.bricks[i].size();j++)
{
- SDL_Rect rect={(int)(tile_col*show_tiles_size-show_tiles_size*world.player.x2),(show_tiles_vertical_move-world.bricks[i][j].altitude)*show_tiles_size,show_tiles_size,show_tiles_size};
+ SDL_Rect rect={(int)(tile_col*ctx->show_tiles_size-ctx->show_tiles_size*ctx->world.player.x2),(ctx->show_tiles_vertical_move-ctx->world.bricks[i][j].altitude)*ctx->show_tiles_size,ctx->show_tiles_size,ctx->show_tiles_size};
- switch(world.bricks[i][j].type)
+ switch(ctx->world.bricks[i][j].type)
{
case 0:
- SDL_RenderCopy(ren,textures[4],NULL,&rect);
- SDL_SetRenderDrawColor(ren, 150+19*(i%2),115,70, 255);
- rect.h=show_tiles_max_height;
- rect.y+=show_tiles_size;
- SDL_RenderFillRect(ren,&rect);
+ SDL_RenderCopy(ctx->ren,ctx->textures[4],NULL,&rect);
+ SDL_SetRenderDrawColor(ctx->ren, 150+19*(i%2),115,70, 255);
+ rect.h=ctx->show_tiles_max_height;
+ rect.y+=ctx->show_tiles_size;
+ SDL_RenderFillRect(ctx->ren,&rect);
break;
case 1:
- SDL_RenderCopy(ren,textures[4],NULL,&rect);
+ SDL_RenderCopy(ctx->ren,ctx->textures[4],NULL,&rect);
break;
case 2:
- SDL_RenderCopy(ren,textures[5],NULL,&rect);
+ SDL_RenderCopy(ctx->ren,ctx->textures[5],NULL,&rect);
break;
case 3:
- SDL_RenderCopy(ren,textures[6],NULL,&rect);
+ SDL_RenderCopy(ctx->ren,ctx->textures[6],NULL,&rect);
break;
case 4:
- SDL_RenderCopy(ren,textures[7],NULL,&rect);
+ SDL_RenderCopy(ctx->ren,ctx->textures[7],NULL,&rect);
break;
}
@@ -323,55 +308,100 @@ int main(int, char**){
// water level
- SDL_SetRenderDrawColor(ren, 100*(i%2),100*(i%2),255, 255);
- SDL_Rect rect2={(int)(tile_col*show_tiles_size-show_tiles_size*world.player.x2),(int)(show_tiles_vertical_move*show_tiles_size-show_tiles_water_level*show_tiles_size+sin(frameTime/1000.0+i)*show_tiles_size*0.33),show_tiles_size,show_tiles_max_height};
- SDL_RenderFillRect(ren,&rect2);
+ SDL_SetRenderDrawColor(ctx->ren, 100*(i%2),100*(i%2),255, 255);
+ SDL_Rect rect2={(int)(tile_col*ctx->show_tiles_size-ctx->show_tiles_size*ctx->world.player.x2),(int)(ctx->show_tiles_vertical_move*ctx->show_tiles_size-ctx->show_tiles_water_level*ctx->show_tiles_size+sin(ctx->frameTime/1000.0+i)*ctx->show_tiles_size*0.33),ctx->show_tiles_size,ctx->show_tiles_max_height};
+ SDL_RenderFillRect(ctx->ren,&rect2);
}
// render player char
- SDL_Rect rect={(int)((show_tiles_back-0.5)*show_tiles_size),(int)((show_tiles_vertical_move-world.player.y)*show_tiles_size-world.player.y2*show_tiles_size),show_tiles_size,show_tiles_size};
- if(world.player.anim==0)SDL_RenderCopy(ren,textures[0],NULL,&rect);
- else SDL_RenderCopy(ren,textures[1],NULL,&rect);
+ SDL_Rect rect={(int)((ctx->show_tiles_back-0.5)*ctx->show_tiles_size),(int)((ctx->show_tiles_vertical_move-ctx->world.player.y)*ctx->show_tiles_size-ctx->world.player.y2*ctx->show_tiles_size),ctx->show_tiles_size,ctx->show_tiles_size};
+ if(ctx->world.player.anim==0)SDL_RenderCopy(ctx->ren,ctx->textures[0],NULL,&rect);
+ else SDL_RenderCopy(ctx->ren,ctx->textures[1],NULL,&rect);
// HUD
std::stringstream strbuffer;
- strbuffer << "SCORE:" << world.coins << " | LVL:" << world.level << " | FPS:" << fps << " | RES:"<<win_width << "*" << win_height ;
- sdl_put_str(ren, textures[3],10, 10, 10,strbuffer.str(),222,255,222,60,win_width,win_height,1,1);
+ strbuffer << "SCORE:" << ctx->world.coins << " | LVL:" << ctx->world.level << " | FPS:" << ctx->fps << " | RES:"<<ctx->win_width << "*" << ctx->win_height ;
+ sdl_put_str(ctx->ren, ctx->textures[3],10, 10, 10,strbuffer.str(),222,255,222,60,ctx->win_width,ctx->win_height,1,1);
- if(world.player.dead)
+ if(ctx->world.player.dead)
{
- sdl_put_str(ren, textures[3],300, -1, 10,"LUNATIC LEMMY DIED!",250,100,100,19,win_width,win_height,1,2);
- sdl_put_str(ren, textures[3],280, -1, 5,"[click to retry]",200,190,222,15,win_width,win_height,2,2);
+ sdl_put_str(ctx->ren, ctx->textures[3],300, -1, 10,"LUNATIC LEMMY DIED!",250,100,100,19,ctx->win_width,ctx->win_height,1,2);
+ sdl_put_str(ctx->ren, ctx->textures[3],280, -1, 5,"[click to retry]",200,190,222,15,ctx->win_width,ctx->win_height,2,2);
}
- if(world.player.win)
+ if(ctx->world.player.win)
{
- sdl_put_str(ren, textures[3],300, -1, 10," ! LEVEL UP ",100,250,100,22,win_width,win_height,1,2);
- sdl_put_str(ren, textures[3],280, -1, 5,"[click for next level]",100,250,222,22,win_width,win_height,2,2);
+ sdl_put_str(ctx->ren, ctx->textures[3],300, -1, 10," ! LEVEL UP ",100,250,100,22,ctx->win_width,ctx->win_height,1,2);
+ sdl_put_str(ctx->ren, ctx->textures[3],280, -1, 5,"[click for next level]",100,250,222,22,ctx->win_width,ctx->win_height,2,2);
}
//
// finish rendering
- SDL_RenderPresent(ren);
- if(world.player.collected_coin)
+ SDL_RenderPresent(ctx->ren);
+ if(ctx->world.player.collected_coin)
{
sdl_play_sound();
- world.player.collected_coin=false;
+ ctx->world.player.collected_coin=false;
}
// progress world simu
- world.sim(deltaTime);
+ ctx->world.sim(ctx->deltaTime);
+
+#ifdef __EMSCRIPTEN
+ if(ctx->quit)emscripten_cancel_main_loop();
+#endif
+
+}
+
+int main(int, char**){
+
+ Context ctx1;
+ Context *ctx=&ctx1;
+
+ // init SDL and assign SDL_Renderer on success
+ ctx->sdl_init=sdl_start(ctx->win_width,ctx->win_height);
+ if(ctx->sdl_init.first!=0)
+ {
+ sdl_stop(ctx->sdl_init);
+ return ctx->sdl_init.first;
}
+ ctx->ren=ctx->sdl_init.second.second;
+
+ // init Textures
+ ctx->textures.push_back(sdl_load_texture("guy01.bmp",0,0,255,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("guy02.bmp",0,0,255,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("coin.bmp",255,255,255,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("fonts.bmp",0,0,0,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("earth01.bmp",0,0,0,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("gridder01.bmp",255,255,255,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("gridder02.bmp",255,255,255,ctx->ren));
+ ctx->textures.push_back(sdl_load_texture("gridder03.bmp",255,255,255,ctx->ren));
+
+ ctx->show_tiles_size=ctx->win_height/15;
+ ctx->show_tiles_back=ctx->win_width/ctx->show_tiles_size*0.25;
+ ctx->show_tiles_front=ctx->win_width/ctx->show_tiles_size*1;
+
+#ifdef __EMSCRIPTEN__
+
+ int simulate_infinite_loop = 1;
+ emscripten_set_main_loop_arg(main_loop, ctx, -1, simulate_infinite_loop);
+
+#endif
+
+ while (!ctx->quit)
+ {
+ main_loop(ctx);
+ }
//Clean up and quit
- for(SDL_Texture *tex:textures)
+ for(SDL_Texture *tex:ctx->textures)
{
SDL_DestroyTexture(tex);
}
- sdl_stop(sdl_init);
+ sdl_stop(ctx->sdl_init);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-08 19:31:03 +0000