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VVVVVV/desktop_version/src/main.cpp
Misa 0cb21f407e Add inline directives to gameloop(), deltaloop(), fixedloop()
This is to make sure that there's no cost splitting up the game loop
into several different functions to increase code readability.
2020-06-19 09:05:48 -04:00

657 lines
18 KiB
C++

#include <SDL.h>
#include "SoundSystem.h"
#include "UtilityClass.h"
#include "Game.h"
#include "Graphics.h"
#include "KeyPoll.h"
#include "Render.h"
#include "Tower.h"
#include "WarpClass.h"
#include "Labclass.h"
#include "Finalclass.h"
#include "Map.h"
#include "Screen.h"
#include "Script.h"
#include "Logic.h"
#include "Input.h"
#include "editor.h"
#include "preloader.h"
#include "FileSystemUtils.h"
#include "Network.h"
#include <stdio.h>
#include <string.h>
scriptclass script;
#if !defined(NO_CUSTOM_LEVELS)
std::vector<edentities> edentity;
editorclass ed;
#endif
UtilityClass help;
Graphics graphics;
musicclass music;
Game game;
KeyPoll key;
mapclass map;
entityclass obj;
Screen gameScreen;
bool startinplaytest = false;
bool savefileplaytest = false;
int savex = 0;
int savey = 0;
int saverx = 0;
int savery = 0;
int savegc = 0;
int savemusic = 0;
std::string playtestname;
volatile Uint32 time_ = 0;
volatile Uint32 timePrev = 0;
volatile Uint32 accumulator = 0;
volatile Uint32 f_time = 0;
volatile Uint32 f_timePrev = 0;
volatile Uint32 f_accumulator = 0;
void inline gameloop();
void inline deltaloop();
void inline fixedloop();
int main(int argc, char *argv[])
{
char* baseDir = NULL;
char* assetsPath = NULL;
for (int i = 1; i < argc; ++i) {
if (strcmp(argv[i], "-renderer") == 0) {
++i;
SDL_SetHintWithPriority(SDL_HINT_RENDER_DRIVER, argv[i], SDL_HINT_OVERRIDE);
} else if (strcmp(argv[i], "-basedir") == 0) {
++i;
baseDir = argv[i];
} else if (strcmp(argv[i], "-assets") == 0) {
++i;
assetsPath = argv[i];
} else if (strcmp(argv[i], "-playing") == 0 || strcmp(argv[i], "-p") == 0) {
if (i + 1 < argc) {
startinplaytest = true;
i++;
playtestname = std::string("levels/");
playtestname.append(argv[i]);
playtestname.append(std::string(".vvvvvv"));
} else {
printf("-playing option requires one argument.\n");
return 1;
}
} else if (strcmp(argv[i], "-playx") == 0 ||
strcmp(argv[i], "-playy") == 0 ||
strcmp(argv[i], "-playrx") == 0 ||
strcmp(argv[i], "-playry") == 0 ||
strcmp(argv[i], "-playgc") == 0 ||
strcmp(argv[i], "-playmusic") == 0) {
if (i + 1 < argc) {
savefileplaytest = true;
int v = std::atoi(argv[i+1]);
if (strcmp(argv[i], "-playx") == 0) savex = v;
else if (strcmp(argv[i], "-playy") == 0) savey = v;
else if (strcmp(argv[i], "-playrx") == 0) saverx = v;
else if (strcmp(argv[i], "-playry") == 0) savery = v;
else if (strcmp(argv[i], "-playgc") == 0) savegc = v;
else if (strcmp(argv[i], "-playmusic") == 0) savemusic = v;
i++;
} else {
printf("-playing option requires one argument.\n");
return 1;
}
}
}
if(!FILESYSTEM_init(argv[0], baseDir, assetsPath))
{
return 1;
}
SDL_Init(
SDL_INIT_VIDEO |
SDL_INIT_AUDIO |
SDL_INIT_JOYSTICK |
SDL_INIT_GAMECONTROLLER
);
NETWORK_init();
gameScreen.init();
printf("\t\t\n");
printf("\t\t\n");
printf("\t\t VVVVVV\n");
printf("\t\t\n");
printf("\t\t\n");
printf("\t\t 8888888888888888 \n");
printf("\t\t88888888888888888888\n");
printf("\t\t888888 8888 88\n");
printf("\t\t888888 8888 88\n");
printf("\t\t88888888888888888888\n");
printf("\t\t88888888888888888888\n");
printf("\t\t888888 88\n");
printf("\t\t88888888 8888\n");
printf("\t\t 8888888888888888 \n");
printf("\t\t 88888888 \n");
printf("\t\t 8888888888888888 \n");
printf("\t\t88888888888888888888\n");
printf("\t\t88888888888888888888\n");
printf("\t\t88888888888888888888\n");
printf("\t\t8888 88888888 8888\n");
printf("\t\t8888 88888888 8888\n");
printf("\t\t 888888888888 \n");
printf("\t\t 8888 8888 \n");
printf("\t\t 888888 888888 \n");
printf("\t\t 888888 888888 \n");
printf("\t\t 888888 888888 \n");
printf("\t\t\n");
printf("\t\t\n");
//Set up screen
// Load Ini
graphics.init();
game.init();
game.infocus = true;
// This loads music too...
graphics.reloadresources();
const SDL_PixelFormat* fmt = gameScreen.GetFormat();
graphics.backBuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 240, fmt->BitsPerPixel, fmt->Rmask, fmt->Gmask, fmt->Bmask, fmt->Amask);
SDL_SetSurfaceBlendMode(graphics.backBuffer, SDL_BLENDMODE_NONE);
graphics.footerbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 10, fmt->BitsPerPixel, fmt->Rmask, fmt->Gmask, fmt->Bmask, fmt->Amask);
SDL_SetSurfaceBlendMode(graphics.footerbuffer, SDL_BLENDMODE_BLEND);
SDL_SetSurfaceAlphaMod(graphics.footerbuffer, 127);
FillRect(graphics.footerbuffer, SDL_MapRGB(fmt, 0, 0, 0));
graphics.ghostbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, 320, 240, fmt->BitsPerPixel, fmt->Rmask, fmt->Gmask, fmt->Bmask, fmt->Amask);
SDL_SetSurfaceBlendMode(graphics.ghostbuffer, SDL_BLENDMODE_BLEND);
SDL_SetSurfaceAlphaMod(graphics.ghostbuffer, 127);
graphics.Makebfont();
graphics.foregroundBuffer = SDL_CreateRGBSurface(SDL_SWSURFACE ,320 ,240 ,fmt->BitsPerPixel,fmt->Rmask,fmt->Gmask,fmt->Bmask,fmt->Amask );
SDL_SetSurfaceBlendMode(graphics.foregroundBuffer, SDL_BLENDMODE_NONE);
graphics.screenbuffer = &gameScreen;
graphics.menubuffer = SDL_CreateRGBSurface(SDL_SWSURFACE ,320 ,240 ,fmt->BitsPerPixel,fmt->Rmask,fmt->Gmask,fmt->Bmask,fmt->Amask );
SDL_SetSurfaceBlendMode(graphics.menubuffer, SDL_BLENDMODE_NONE);
graphics.towerbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE ,320+16 ,240+16 ,fmt->BitsPerPixel,fmt->Rmask,fmt->Gmask,fmt->Bmask,fmt->Amask );
SDL_SetSurfaceBlendMode(graphics.towerbuffer, SDL_BLENDMODE_NONE);
graphics.towerbuffer_lerp = SDL_CreateRGBSurface(SDL_SWSURFACE, 320+16, 240+16, fmt->BitsPerPixel, fmt->Rmask, fmt->Gmask, fmt->Bmask, fmt->Amask);
SDL_SetSurfaceBlendMode(graphics.towerbuffer, SDL_BLENDMODE_NONE);
graphics.tempBuffer = SDL_CreateRGBSurface(SDL_SWSURFACE ,320 ,240 ,fmt->BitsPerPixel,fmt->Rmask,fmt->Gmask,fmt->Bmask,fmt->Amask );
SDL_SetSurfaceBlendMode(graphics.tempBuffer, SDL_BLENDMODE_NONE);
game.gamestate = PRELOADER;
game.menustart = false;
game.mainmenu = 0;
map.ypos = (700-29) * 8;
map.bypos = map.ypos / 2;
//Moved screensetting init here from main menu V2.1
game.loadstats();
graphics.processVsync();
if (game.skipfakeload)
game.gamestate = TITLEMODE;
if(game.usingmmmmmm==0) music.usingmmmmmm=false;
if(game.usingmmmmmm==1) music.usingmmmmmm=true;
if (game.slowdown == 0) game.slowdown = 30;
switch(game.slowdown){
case 30: game.gameframerate=34; break;
case 24: game.gameframerate=41; break;
case 18: game.gameframerate=55; break;
case 12: game.gameframerate=83; break;
default: game.gameframerate=34; break;
}
//Check to see if you've already unlocked some achievements here from before the update
if (game.swnbestrank > 0){
if(game.swnbestrank >= 1) NETWORK_unlockAchievement("vvvvvvsupgrav5");
if(game.swnbestrank >= 2) NETWORK_unlockAchievement("vvvvvvsupgrav10");
if(game.swnbestrank >= 3) NETWORK_unlockAchievement("vvvvvvsupgrav15");
if(game.swnbestrank >= 4) NETWORK_unlockAchievement("vvvvvvsupgrav20");
if(game.swnbestrank >= 5) NETWORK_unlockAchievement("vvvvvvsupgrav30");
if(game.swnbestrank >= 6) NETWORK_unlockAchievement("vvvvvvsupgrav60");
}
if(game.unlock[5]) NETWORK_unlockAchievement("vvvvvvgamecomplete");
if(game.unlock[19]) NETWORK_unlockAchievement("vvvvvvgamecompleteflip");
if(game.unlock[20]) NETWORK_unlockAchievement("vvvvvvmaster");
if (game.bestgamedeaths > -1) {
if (game.bestgamedeaths <= 500) {
NETWORK_unlockAchievement("vvvvvvcomplete500");
}
if (game.bestgamedeaths <= 250) {
NETWORK_unlockAchievement("vvvvvvcomplete250");
}
if (game.bestgamedeaths <= 100) {
NETWORK_unlockAchievement("vvvvvvcomplete100");
}
if (game.bestgamedeaths <= 50) {
NETWORK_unlockAchievement("vvvvvvcomplete50");
}
}
if(game.bestrank[0]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_station1_fixed");
if(game.bestrank[1]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_lab_fixed");
if(game.bestrank[2]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_tower_fixed");
if(game.bestrank[3]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_station2_fixed");
if(game.bestrank[4]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_warp_fixed");
if(game.bestrank[5]>=3) NETWORK_unlockAchievement("vvvvvvtimetrial_final_fixed");
obj.init();
#if !defined(NO_CUSTOM_LEVELS)
if (startinplaytest) {
game.levelpage = 0;
game.playcustomlevel = 0;
ed.directoryList.clear();
ed.directoryList.push_back(playtestname);
LevelMetaData meta;
if (ed.getLevelMetaData(playtestname, meta)) {
ed.ListOfMetaData.clear();
ed.ListOfMetaData.push_back(meta);
} else {
ed.loadZips();
if (ed.getLevelMetaData(playtestname, meta)) {
ed.ListOfMetaData.clear();
ed.ListOfMetaData.push_back(meta);
} else {
printf("Level not found\n");
return 1;
}
}
game.loadcustomlevelstats();
game.customleveltitle=ed.ListOfMetaData[game.playcustomlevel].title;
game.customlevelfilename=ed.ListOfMetaData[game.playcustomlevel].filename;
if (savefileplaytest) {
game.playx = savex;
game.playy = savey;
game.playrx = saverx;
game.playry = savery;
game.playgc = savegc;
game.cliplaytest = true;
music.play(savemusic);
script.startgamemode(23);
} else {
script.startgamemode(22);
}
graphics.fademode = 0;
}
#endif
game.infocus = true;
key.isActive = true;
game.gametimer = 0;
while(!key.quitProgram)
{
f_timePrev = f_time;
f_time = SDL_GetTicks();
const float f_rawdeltatime = static_cast<float>(f_time - f_timePrev);
if (!game.over30mode)
{
f_accumulator += f_rawdeltatime;
}
gameloop();
}
game.savestats();
NETWORK_shutdown();
SDL_Quit();
FILESYSTEM_deinit();
return 0;
}
void inline gameloop()
{
while ((game.over30mode || f_accumulator >= 34) && !key.quitProgram)
{
if (game.over30mode)
{
f_accumulator = 0;
}
else
{
f_accumulator = fmodf(f_accumulator, 34);
}
timePrev = time_;
time_ = SDL_GetTicks();
deltaloop();
}
}
void inline deltaloop()
{
//timestep limit to 30
const float rawdeltatime = static_cast<float>(time_ - timePrev);
accumulator += rawdeltatime;
Uint32 timesteplimit;
if (game.gamestate == EDITORMODE)
{
timesteplimit = 24;
}
else if (game.gamestate == GAMEMODE || game.gamestate == MAPMODE || game.gamestate == TELEPORTERMODE)
{
timesteplimit = game.gameframerate;
}
else
{
timesteplimit = 34;
}
while (accumulator >= timesteplimit)
{
accumulator = fmodf(accumulator, timesteplimit);
fixedloop();
}
const float alpha = game.over30mode ? static_cast<float>(accumulator) / timesteplimit : 1.0f;
graphics.alpha = alpha;
if (game.infocus)
{
switch (game.gamestate)
{
case PRELOADER:
preloaderrender();
break;
#if !defined(NO_CUSTOM_LEVELS)
case EDITORMODE:
graphics.flipmode = false;
editorrender();
break;
#endif
case TITLEMODE:
titlerender();
break;
case GAMEMODE:
gamerender();
break;
case MAPMODE:
maprender();
break;
case TELEPORTERMODE:
teleporterrender();
break;
case GAMECOMPLETE:
gamecompleterender();
break;
case GAMECOMPLETE2:
gamecompleterender2();
break;
case CLICKTOSTART:
help.updateglow();
break;
}
gameScreen.FlipScreen();
}
}
void inline fixedloop()
{
game.infocus = key.isActive;
// Update network per frame.
NETWORK_update();
key.Poll();
if(key.toggleFullscreen)
{
if(!gameScreen.isWindowed)
{
SDL_ShowCursor(SDL_DISABLE);
SDL_ShowCursor(SDL_ENABLE);
}
else
{
SDL_ShowCursor(SDL_ENABLE);
}
if(game.gamestate == EDITORMODE)
{
SDL_ShowCursor(SDL_ENABLE);
}
gameScreen.toggleFullScreen();
game.fullscreen = !game.fullscreen;
key.toggleFullscreen = false;
key.keymap.clear(); //we lost the input due to a new window.
game.press_left = false;
game.press_right = false;
game.press_action = true;
game.press_map = false;
}
if(!game.infocus)
{
Mix_Pause(-1);
Mix_PauseMusic();
if (!game.blackout)
{
FillRect(graphics.backBuffer, 0x00000000);
graphics.bprint(5, 110, "Game paused", 196 - help.glow, 255 - help.glow, 196 - help.glow, true);
graphics.bprint(5, 120, "[click to resume]", 196 - help.glow, 255 - help.glow, 196 - help.glow, true);
graphics.bprint(5, 220, "Press M to mute in game", 164 - help.glow, 196 - help.glow, 164 - help.glow, true);
graphics.bprint(5, 230, "Press N to mute music only", 164 - help.glow, 196 - help.glow, 164 - help.glow, true);
}
graphics.render();
gameScreen.FlipScreen();
//We are minimised, so lets put a bit of a delay to save CPU
SDL_Delay(100);
}
else
{
Mix_Resume(-1);
Mix_ResumeMusic();
game.gametimer++;
graphics.cutscenebarstimer();
switch(game.gamestate)
{
case PRELOADER:
preloaderlogic();
break;
#if !defined(NO_CUSTOM_LEVELS)
case EDITORMODE:
//Input
editorinput();
////Logic
editorlogic();
break;
#endif
case TITLEMODE:
//Input
titleinput();
////Logic
titlelogic();
break;
case GAMEMODE:
if (script.running)
{
script.run();
}
//Update old positions of entities - has to be done BEFORE gameinput!
for (size_t i = 0; i < obj.entities.size(); i++)
{
obj.entities[i].oldxp = obj.entities[i].xp;
obj.entities[i].oldyp = obj.entities[i].yp;
}
gameinput();
gamelogic();
break;
case MAPMODE:
mapinput();
maplogic();
break;
case TELEPORTERMODE:
if(game.useteleporter)
{
teleporterinput();
}
else
{
if (script.running)
{
script.run();
}
gameinput();
}
maplogic();
break;
case GAMECOMPLETE:
//Input
gamecompleteinput();
//Logic
gamecompletelogic();
break;
case GAMECOMPLETE2:
//Input
gamecompleteinput2();
//Logic
gamecompletelogic2();
break;
case CLICKTOSTART:
break;
default:
break;
}
}
//Screen effects timers
if (game.infocus && game.flashlight > 0)
{
game.flashlight--;
}
if (game.infocus && game.screenshake > 0)
{
game.screenshake--;
graphics.updatescreenshake();
}
if (graphics.screenbuffer->badSignalEffect)
{
UpdateFilter();
}
//We did editorinput, now it's safe to turn this off
key.linealreadyemptykludge = false;
if (game.savemystats)
{
game.savemystats = false;
game.savestats();
}
//Mute button
#if !defined(NO_CUSTOM_LEVELS)
bool inEditor = ed.textentry || ed.scripthelppage == 1;
#else
bool inEditor = false;
#endif
if (key.isDown(KEYBOARD_m) && game.mutebutton<=0 && !inEditor)
{
game.mutebutton = 8;
if (game.muted)
{
game.muted = false;
}
else
{
game.muted = true;
}
}
if(game.mutebutton>0)
{
game.mutebutton--;
}
if (key.isDown(KEYBOARD_n) && game.musicmutebutton <= 0 && !inEditor)
{
game.musicmutebutton = 8;
game.musicmuted = !game.musicmuted;
}
if (game.musicmutebutton > 0)
{
game.musicmutebutton--;
}
if (game.muted)
{
Mix_VolumeMusic(0) ;
Mix_Volume(-1,0);
}
else
{
Mix_Volume(-1,MIX_MAX_VOLUME);
if (game.musicmuted || game.completestop)
{
Mix_VolumeMusic(0);
}
else
{
Mix_VolumeMusic(MIX_MAX_VOLUME);
}
}
if (key.resetWindow)
{
key.resetWindow = false;
gameScreen.ResizeScreen(-1, -1);
}
music.processmusic();
graphics.processfade();
game.gameclock();
}