This commit is contained in:
2016-05-13 20:59:52 +02:00
parent 65a993d314
commit 78983f2fda
2 changed files with 149 additions and 30 deletions

179
main.cpp
View File

@@ -6,6 +6,10 @@
#include "gif.c"
#include <stdio.h>
#define STATE_TILEMAP 0
#define STATE_TILEPAL 1
#define STATE_MINIMAP 2
struct Mouse {
int x, y;
bool buttons[3];
@@ -17,11 +21,17 @@ SDL_Window* sdlWindow = NULL;
SDL_Renderer* sdlRenderer = NULL;
SDL_Texture* sdlFontTexture = NULL;
SDL_Texture* sdlTilesTexture = NULL;
SDL_Texture* sdlMinimapTexture = NULL;
SDL_Event sdlEvent;
SDL_Scancode keyJustPressed = SDL_SCANCODE_UNKNOWN;
const Uint8* keyboard = nullptr;
Uint32* minitiles = nullptr;
bool ignoreMouse = false;
bool anyKey = false;
LoopFun loop;
Mouse mouse;
int error = 0;
int state = STATE_MINIMAP;
int tile_width = 16;
int tile_height = 16;
@@ -35,9 +45,13 @@ char map_filename[100] = { 0 };
int tilemap_width = 0;
int tilemap_height = 0;
unsigned char* map = nullptr;
int map_x = 0;
int map_y = 0;
int tile_sel = 0;
int tile_back = 0;
int StrToInt(const char* str) {
int val = 0;
int size = strlen(str);
@@ -70,6 +84,7 @@ void LoadConfig() {
void Init() {
LoadConfig();
SDL_Init(SDL_INIT_EVERYTHING);
sdlWindow = SDL_CreateWindow("Mappy v0.1", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, screen_width*zoom, screen_height*zoom, SDL_WINDOW_SHOWN);
sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, SDL_RENDERER_PRESENTVSYNC);
@@ -89,16 +104,58 @@ void Init() {
int c;
FILE* f = fopen(tiles_filename, "rb");
if (!f) {
error = 2;
} else {
buffer = stbi_load_from_file(f, &tilemap_width, &tilemap_height, &c, 4);
sdlTilesTexture = SDL_CreateTexture(sdlRenderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, tilemap_width, tilemap_height);
SDL_UpdateTexture(sdlTilesTexture, NULL, buffer, tilemap_width * sizeof(Uint32));
SDL_SetTextureBlendMode(sdlTilesTexture, SDL_BLENDMODE_BLEND);
stbi_image_free(buffer);
}
if (!f) { error = 2; return; }
buffer = stbi_load_from_file(f, &tilemap_width, &tilemap_height, &c, 4);
sdlTilesTexture = SDL_CreateTexture(sdlRenderer, SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STATIC, tilemap_width, tilemap_height);
SDL_UpdateTexture(sdlTilesTexture, NULL, buffer, tilemap_width * sizeof(Uint32));
SDL_SetTextureBlendMode(sdlTilesTexture, SDL_BLENDMODE_BLEND);
fclose(f);
const int tmtw = (tilemap_width / tile_width);
const int tmth = (tilemap_height / tile_height);
minitiles = (Uint32*)malloc(tmtw * tmth*sizeof(Uint32));
for (int tmy = 0; tmy < tmth; tmy++) {
for (int tmx = 0; tmx < tmth; tmx++) {
const int bx = tmx*tile_width;
const int by = tmy*tile_height;
int r = 0, g = 0, b = 0;
for (int ty = 0; ty < tile_width; ty++) {
for (int tx = 0; tx < tile_height; tx++) {
const Uint32 color = buffer[(bx + tx) + (by + ty)*tilemap_width];
r += color & 0xff;
g += (color >> 8) & 0xff;
b += (color >> 16) & 0xff;
}
}
r /= tile_width*tile_height;
g /= tile_width*tile_height;
b /= tile_width*tile_height;
minitiles[tmx + tmy*tmtw] = 0xff000000 + r + (b << 8) + (g << 16);
//minitiles[tmx + tmy*tmtw] = 0xff + (r << 24) + (b << 8) + (g << 16);
}
}
stbi_image_free(buffer);
f = fopen(map_filename, "rb");
if (!f) { error = 3; return; }
unsigned char size[2];
fread(&map_width, 1, 1, f);
fread(&map_height, 1, 1, f);
map = (unsigned char*)malloc(map_width*map_height);
fread(map, map_width*map_height, 1, f);
fclose(f);
sdlMinimapTexture = SDL_CreateTexture(sdlRenderer, SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STATIC, map_width, map_height);
pixels = (Uint32*)malloc(map_width * map_height*sizeof(Uint32));
for (int y = 0; y < map_height; y++) {
for (int x = 0; x < map_width; x++) {
const Uint8 tile = map[x + y*map_width];
pixels[x + y*map_width] = minitiles[(tile % tmtw) + (tile / tmtw)*tmtw];
}
}
SDL_UpdateTexture(sdlMinimapTexture, NULL, pixels, map_width * sizeof(Uint32));
keyboard = SDL_GetKeyboardState(nullptr);
//SDL_Surface* bmp = SDL_LoadBMP("assets.bmp");
//texture = SDL_CreateTextureFromSurface(renderer, bmp);
//SDL_FreeSurface(bmp);
@@ -130,6 +187,13 @@ void FillRect(int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, Uint8 a = 2
SDL_RenderFillRect(sdlRenderer, &src);
}
void DrawRect(int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, Uint8 a = 255) {
SDL_Rect src;
src.x = x; src.y = y; src.w = w; src.h = h;
SDL_SetRenderDrawColor(sdlRenderer, r, g, b, a);
SDL_RenderDrawRect(sdlRenderer, &src);
}
void Print(int x, int y, const char* text) {
int str_size = strlen(text);
for (int i = 0; i < str_size; i++) {
@@ -151,19 +215,29 @@ bool Button(int x, int y, char* text) {
bool Update() {
anyKey = false;
keyJustPressed = SDL_SCANCODE_UNKNOWN;
while (SDL_PollEvent(&sdlEvent)) {
if (sdlEvent.type == SDL_QUIT) {return true; break; }
else if (sdlEvent.type == SDL_KEYDOWN) {
anyKey = true;
keyJustPressed = sdlEvent.key.keysym.scancode;
if (sdlEvent.key.keysym.scancode == SDL_SCANCODE_ESCAPE) { return true; }
}
}
Uint32 buttons = SDL_GetMouseState(&mouse.x, &mouse.y);
mouse.x /= zoom;
mouse.y /= zoom;
mouse.buttons[0] = (buttons & 1) == 1;
mouse.buttons[1] = (buttons & 2) == 2;
mouse.buttons[2] = (buttons & 4) == 4;
if (buttons == 0) ignoreMouse = false;
if (buttons != 0 && !ignoreMouse) {
mouse.buttons[0] = (buttons & 1) == 1;
mouse.buttons[1] = (buttons & 2) == 2;
mouse.buttons[2] = (buttons & 4) == 4;
}
else {
mouse.buttons[0] = mouse.buttons[1] = mouse.buttons[2] = false;
}
return false;
}
@@ -174,10 +248,66 @@ void PrintFatalError(const char* errorMsg) {
void ShowError() {
switch (error) {
case 1: PrintFatalError("No s'ha trobat l'arxiu config.ini"); break;
case 2: PrintFatalError("No s'ha trobat arxiu de tiles"); break;
case 2: PrintFatalError("No s'ha trobat l'arxiu de tiles"); break;
case 3: PrintFatalError("No s'ha trobat l'arxiu de mapa"); break;
}
}
void DoTilePal() {
int ox = 0, oy = 0;
if (tilemap_width <= screen_width) {
ox = (screen_width - tilemap_width) / 2;
}
else {
const int max_offset = tilemap_width - screen_width;
const float mouse_ratio = float(mouse.x) / float(screen_width);
ox = -(mouse_ratio * max_offset);
}
if (tilemap_height <= screen_height) {
oy = (screen_height - tilemap_height) / 2;
}
else {
const int max_offset = tilemap_height - screen_height;
const float mouse_ratio = float(mouse.y) / float(screen_height);
oy = -(mouse_ratio * max_offset);
}
Draw(sdlTilesTexture, ox, oy, 0, 0, tilemap_width, tilemap_height);
int tiles_per_row = tilemap_width / tile_width;
DrawRect(ox + (tile_back % tiles_per_row)*tile_width - 1, oy + (tile_back / tiles_per_row)*tile_height - 1, tile_width + 2, tile_height + 2, 255, 64, 255);
DrawRect(ox + (tile_sel % tiles_per_row)*tile_width - 1, oy + (tile_sel / tiles_per_row)*tile_height - 1, tile_width + 2, tile_height + 2, 255, 255, 255);
if (mouse.buttons[2]) { tile_back = ((mouse.x - ox) / tile_width) + ((mouse.y - oy) / tile_height) * tiles_per_row; state = STATE_TILEMAP; ignoreMouse = true; }
if (mouse.buttons[0]) { tile_sel = ((mouse.x - ox) / tile_width) + ((mouse.y - oy) / tile_height) * tiles_per_row; state = STATE_TILEMAP; ignoreMouse = true; }
if (keyJustPressed == SDL_SCANCODE_Q) state = STATE_TILEMAP;
}
void DoTileMap() {
const int width_in_tiles = screen_width / tile_width;
const int height_in_tiles = screen_height / tile_height;
const int pal_width_in_tiles = tilemap_width / tile_width;
for (int y = 0; y < height_in_tiles; y++) {
for (int x = 0; x < width_in_tiles; x++) {
unsigned char tile = map[(map_x + x) + (map_y + y) * map_width];
Draw(sdlTilesTexture, x*tile_width, y*tile_height, (tile % pal_width_in_tiles)*tile_width, (tile / pal_width_in_tiles)*tile_height, tile_width, tile_height);
}
}
const int cur_x = mouse.x / tile_width;
const int cur_y = mouse.y / tile_height;
DrawRect(cur_x*tile_width-1, cur_y*tile_height-1, tile_width + 2, tile_height + 2, 255, 255, 255, 128);
if (keyJustPressed == SDL_SCANCODE_Q) state = STATE_TILEPAL;
if (keyJustPressed == SDL_SCANCODE_RIGHT || keyJustPressed == SDL_SCANCODE_D) if (map_x < map_width - width_in_tiles) map_x += width_in_tiles;
if (keyJustPressed == SDL_SCANCODE_LEFT || keyJustPressed == SDL_SCANCODE_A) if (map_x > 0) map_x -= width_in_tiles;
if (keyJustPressed == SDL_SCANCODE_DOWN || keyJustPressed == SDL_SCANCODE_S) if (map_y < map_height - height_in_tiles) map_y += height_in_tiles;
if (keyJustPressed == SDL_SCANCODE_UP || keyJustPressed == SDL_SCANCODE_W) if (map_y > 0) map_y -= height_in_tiles;
if (mouse.buttons[2]) { map[(map_x + cur_x) + (map_y + cur_y)*map_width] = tile_back; }
if (mouse.buttons[0]) { map[(map_x + cur_x) + (map_y + cur_y)*map_width] = tile_sel; }
if (mouse.buttons[1]) { tile_sel = map[(map_x + cur_x) + (map_y + cur_y)*map_width]; }
}
void DoMiniMap() {
Draw(sdlMinimapTexture, 0, 0, 0, 0, map_width, map_height);
}
int main(int argc, char* argv[]) {
Init();
@@ -185,23 +315,12 @@ int main(int argc, char* argv[]) {
Clear();
if (error == 0) {
int x = 0, y = 0;
if (tilemap_width <= screen_width) {
x = (screen_width - tilemap_width) / 2;
} else {
const int max_offset = tilemap_width - screen_width;
const float mouse_ratio = float(mouse.x) / float(screen_width);
x = -(mouse_ratio * max_offset);
}
if (tilemap_height <= screen_height) {
y = (screen_height - tilemap_height) / 2;
}
else {
const int max_offset = tilemap_height - screen_height;
const float mouse_ratio = float(mouse.y) / float(screen_height);
y = -(mouse_ratio * max_offset);
}
Draw(sdlTilesTexture, x, y, 0, 0, tilemap_width, tilemap_height);
switch (state) {
case STATE_TILEMAP: DoTileMap(); break;
case STATE_TILEPAL: DoTilePal(); break;
case STATE_MINIMAP: DoMiniMap(); break;
};
/*char num[5];
sprintf(num, "%d", mouse.x);
Print(100, 100, num);