X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fgame.c;h=7c3786c8ab4247491c0d80a8b3386407ddd9357b;hb=9127e1899cdbf7cd0a261a93722e1b1d691f5a37;hp=8f2361afc93829a2a7bdf1fb9838ca5c815a5c93;hpb=70b065ae72a4bbd1c465a6bcd65504bccf60d587;p=nothing.git

diff --git a/src/game.c b/src/game.c
index 8f2361af..7c3786c8 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,5 +1,4 @@
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_mixer.h>
+#include <SDL.h>
 #include "system/stacktrace.h"
 #include <stdio.h>
 
@@ -15,12 +14,17 @@
 #include "system/str.h"
 #include "ebisp/builtins.h"
 #include "broadcast.h"
+#include "sdl/texture.h"
+#include "game/level/level_editor.h"
+
+static int game_render_cursor(const Game *game);
 
 typedef enum Game_state {
     GAME_STATE_RUNNING = 0,
     GAME_STATE_PAUSE,
     GAME_STATE_CONSOLE,
     GAME_STATE_LEVEL_PICKER,
+    GAME_STATE_LEVEL_EDITOR,
     GAME_STATE_QUIT
 } Game_state;
 
@@ -31,27 +35,27 @@ typedef struct Game {
     Broadcast *broadcast;
     Sprite_font *font;
     LevelPicker *level_picker;
+    LevelEditor *level_editor;
     Level *level;
-    char *level_file_path;
     Sound_samples *sound_samples;
     Camera *camera;
     Console *console;
     SDL_Renderer *renderer;
+    SDL_Texture *texture_cursor;
+    int cursor_x;
+    int cursor_y;
 } Game;
 
-Game *create_game(const char *level_file_path,
+Game *create_game(const char *level_folder,
                   const char *sound_sample_files[],
                   size_t sound_sample_files_count,
                   SDL_Renderer *renderer)
 {
-    trace_assert(level_file_path);
+    trace_assert(level_folder);
 
-    Lt *const lt = create_lt();
-    if (lt == NULL) {
-        return NULL;
-    }
+    Lt *lt = create_lt();
 
-    Game *game = PUSH_LT(lt, nth_alloc(sizeof(Game)), free);
+    Game *game = PUSH_LT(lt, nth_calloc(1, sizeof(Game)), free);
     if (game == NULL) {
         RETURN_LT(lt, NULL);
     }
@@ -70,7 +74,7 @@ Game *create_game(const char *level_file_path,
     game->font = PUSH_LT(
         lt,
         create_sprite_font_from_file(
-            "fonts/charmap-oldschool.bmp",
+            "images/charmap-oldschool.bmp",
             renderer),
         destroy_sprite_font);
     if (game->font == NULL) {
@@ -81,22 +85,12 @@ Game *create_game(const char *level_file_path,
         lt,
         create_level_picker(
             game->font,
-            level_file_path),
+            level_folder),
         destroy_level_picker);
     if (game->level_picker == NULL) {
         RETURN_LT(lt, NULL);
     }
 
-    game->level = NULL;
-
-    game->level_file_path = PUSH_LT(
-        lt,
-        string_duplicate(level_file_path, NULL),
-        free);
-    if (game->level_file_path == NULL) {
-        RETURN_LT(lt, NULL);
-    }
-
     game->sound_samples = PUSH_LT(
         lt,
         create_sound_samples(
@@ -124,6 +118,23 @@ Game *create_game(const char *level_file_path,
     }
 
     game->renderer = renderer;
+    game->texture_cursor = PUSH_LT(
+        lt,
+        texture_from_bmp("images/cursor.bmp", renderer),
+        SDL_DestroyTexture);
+    if (SDL_SetTextureBlendMode(
+            game->texture_cursor,
+            SDL_ComposeCustomBlendMode(
+                SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR,
+                SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR,
+                SDL_BLENDOPERATION_ADD,
+                SDL_BLENDFACTOR_ONE,
+                SDL_BLENDFACTOR_ZERO,
+                SDL_BLENDOPERATION_ADD)) < 0) {
+        log_warn("SDL error: %s\n", SDL_GetError());
+    }
+    game->cursor_x = 0;
+    game->cursor_y = 0;
 
     return game;
 }
@@ -151,7 +162,7 @@ int game_render(const Game *game)
             return -1;
         }
 
-        if (console_render(game->console, game->renderer) < 0) {
+        if (console_render(game->console, game->camera, game->renderer) < 0) {
             return -1;
         }
     } break;
@@ -160,6 +171,20 @@ int game_render(const Game *game)
         if (level_picker_render(game->level_picker, game->camera, game->renderer) < 0) {
             return -1;
         }
+
+        if (game_render_cursor(game) < 0) {
+            return -1;
+        }
+    } break;
+
+    case GAME_STATE_LEVEL_EDITOR: {
+        if (level_editor_render(game->level_editor, game->camera) < 0) {
+            return -1;
+        }
+
+        if (game_render_cursor(game) < 0) {
+            return -1;
+        }
     } break;
 
     case GAME_STATE_QUIT: break;
@@ -176,6 +201,7 @@ int game_sound(Game *game)
     case GAME_STATE_CONSOLE:
         return level_sound(game->level, game->sound_samples);
     case GAME_STATE_LEVEL_PICKER:
+    case GAME_STATE_LEVEL_EDITOR:
     case GAME_STATE_QUIT:
         return 0;
     }
@@ -223,22 +249,56 @@ int game_update(Game *game, float delta_time)
             return -1;
         }
 
-        // TODO: There is no way to go back to LevelPicker when the level is loaded
-        const char *level_file_path = level_picker_selected_level(game->level_picker);
+        const char *level_filename = level_picker_selected_level(game->level_picker);
+
+        if (level_filename != NULL) {
+            if (game->level_editor == NULL) {
+                game->level_editor = PUSH_LT(
+                    game->lt,
+                    create_level_editor_from_file(level_filename),
+                    destroy_level_editor);
+            } else {
+                game->level_editor = RESET_LT(
+                    game->lt,
+                    game->level_editor,
+                    create_level_editor_from_file(level_filename));
+            }
 
-        trace_assert(game->level == NULL);
+            if (game->level_editor == NULL) {
+                return -1;
+            }
+
+            if (game->level == NULL) {
+                game->level = PUSH_LT(
+                    game->lt,
+                    create_level_from_level_editor(
+                        game->level_editor,
+                        game->broadcast),
+                    destroy_level);
+            } else {
+                game->level = RESET_LT(
+                    game->lt,
+                    game->level,
+                    create_level_from_level_editor(
+                        game->level_editor,
+                        game->broadcast));
+            }
 
-        if (level_file_path != NULL) {
-            game->level = PUSH_LT(
-                game->lt,
-                create_level_from_file(level_file_path, game->broadcast),
-                destroy_level);
             if (game->level == NULL) {
                 return -1;
             }
 
             game->state = GAME_STATE_RUNNING;
         }
+
+    } break;
+
+    case GAME_STATE_LEVEL_EDITOR: {
+        if (level_editor_focus_camera(
+                game->level_editor,
+                game->camera) < 0) {
+            return -1;
+        }
     } break;
 
     case GAME_STATE_PAUSE:
@@ -256,10 +316,6 @@ static int game_event_pause(Game *game, const SDL_Event *event)
     trace_assert(event);
 
     switch (event->type) {
-    case SDL_QUIT:
-        game->state = GAME_STATE_QUIT;
-        break;
-
     case SDL_KEYDOWN:
         switch (event->key.keysym.sym) {
         case SDLK_p:
@@ -284,63 +340,66 @@ static int game_event_running(Game *game, const SDL_Event *event)
     trace_assert(event);
 
     switch (event->type) {
-    case SDL_QUIT:
-        game->state = GAME_STATE_QUIT;
-        break;
-
-    case SDL_KEYDOWN:
+    case SDL_KEYDOWN: {
         switch (event->key.keysym.sym) {
-        case SDLK_r:
-            log_info("Reloading the level from '%s'...\n", game->level_file_path);
+        case SDLK_r: {
+            const char *level_filename = level_picker_selected_level(game->level_picker);
+
+            log_info("Reloading the level from '%s'...\n", level_filename);
+
+            game->level_editor = RESET_LT(
+                game->lt,
+                game->level_editor,
+                create_level_editor_from_file(level_filename));
+            if (game->level_editor == NULL) {
+                log_fail("Could not reload level %s\n", level_filename);
+                game->state = GAME_STATE_QUIT;
+                return -1;
+            }
 
             game->level = RESET_LT(
                 game->lt,
                 game->level,
-                create_level_from_file(
-                    game->level_file_path, game->broadcast));
-
+                create_level_from_level_editor(
+                    game->level_editor,
+                    game->broadcast));
             if (game->level == NULL) {
-                log_fail("Could not reload level %s\n", game->level_file_path);
+                log_fail("Could not reload level %s\n", level_filename);
                 game->state = GAME_STATE_QUIT;
                 return -1;
             }
 
             camera_disable_debug_mode(game->camera);
+        } break;
 
-            break;
-
-        case SDLK_q:
-            log_info("Reloading the level's platforms from '%s'...\n", game->level_file_path);
-            if (level_reload_preserve_player(game->level, game->level_file_path, game->broadcast) < 0) {
-                log_fail("Could not reload level %s\n", game->level_file_path);
-                game->state = GAME_STATE_QUIT;
-                return -1;
-            }
-            break;
-
-        case SDLK_p:
+        case SDLK_p: {
             game->state = GAME_STATE_PAUSE;
             camera_toggle_blackwhite_mode(game->camera);
             sound_samples_toggle_pause(game->sound_samples);
-            break;
+        } break;
 
-        case SDLK_l:
+        case SDLK_l: {
             camera_toggle_debug_mode(game->camera);
             level_toggle_debug_mode(game->level);
-            break;
+        } break;
+
+        case SDLK_TAB: {
+            game->state = GAME_STATE_LEVEL_EDITOR;
+            SDL_SetRelativeMouseMode(true);
+        } break;
         }
-        break;
-    case SDL_KEYUP:
+    } break;
+
+    case SDL_KEYUP: {
         switch (event->key.keysym.sym) {
         case SDLK_BACKQUOTE:
-        case SDLK_c:
+        case SDLK_c: {
             SDL_StartTextInput();
             game->state = GAME_STATE_CONSOLE;
             console_slide_down(game->console);
-            break;
+        } break;
         }
-        break;
-
+    } break;
     }
 
     return level_event(game->level, event);
@@ -349,10 +408,6 @@ static int game_event_running(Game *game, const SDL_Event *event)
 static int game_event_console(Game *game, const SDL_Event *event)
 {
     switch (event->type) {
-    case SDL_QUIT:
-        game->state = GAME_STATE_QUIT;
-        return 0;
-
     case SDL_KEYDOWN:
         switch (event->key.keysym.sym) {
         case SDLK_ESCAPE:
@@ -375,13 +430,80 @@ static int game_event_level_picker(Game *game, const SDL_Event *event)
     trace_assert(event);
 
     switch (event->type) {
-    case SDL_QUIT:
-        game->state = GAME_STATE_QUIT;
-        return 0;
+    case SDL_KEYDOWN: {
+        switch(event->key.keysym.sym) {
+        case SDLK_n: {
+            if (game->level_editor == NULL) {
+                game->level_editor = PUSH_LT(
+                    game->lt,
+                    create_level_editor(),
+                    destroy_level_editor);
+            } else {
+                game->level_editor = RESET_LT(
+                    game->lt,
+                    game->level_editor,
+                    create_level_editor());
+            }
+
+            if (game->level_editor == NULL) {
+                return -1;
+            }
+
+            if (game->level == NULL) {
+                game->level = PUSH_LT(
+                    game->lt,
+                    create_level_from_level_editor(
+                        game->level_editor,
+                        game->broadcast),
+                    destroy_level);
+            } else {
+                game->level = RESET_LT(
+                    game->lt,
+                    game->level,
+                    create_level_from_level_editor(
+                        game->level_editor,
+                        game->broadcast));
+            }
 
-    default:
-        return level_picker_event(game->level_picker, event);
+            if (game->level == NULL) {
+                return -1;
+            }
+
+            game->state = GAME_STATE_RUNNING;
+        } break;
+        }
+    } break;
+    }
+
+    return level_picker_event(game->level_picker, event);
+}
+
+static int game_event_level_editor(Game *game, const SDL_Event *event)
+{
+    trace_assert(game);
+    trace_assert(event);
+
+    switch (event->type) {
+    case SDL_KEYDOWN: {
+        switch (event->key.keysym.sym) {
+        case SDLK_TAB: {
+            game->level = RESET_LT(
+                game->lt,
+                game->level,
+                create_level_from_level_editor(
+                    game->level_editor,
+                    game->broadcast));
+            if (game->level == NULL) {
+                return -1;
+            }
+            game->state = GAME_STATE_RUNNING;
+            SDL_SetRelativeMouseMode(false);
+        } break;
+        }
+    } break;
     }
+
+    return level_editor_event(game->level_editor, event, game->camera);
 }
 
 int game_event(Game *game, const SDL_Event *event)
@@ -389,6 +511,18 @@ int game_event(Game *game, const SDL_Event *event)
     trace_assert(game);
     trace_assert(event);
 
+    switch (event->type) {
+    case SDL_QUIT: {
+        game->state = GAME_STATE_QUIT;
+        return 0;
+    } break;
+
+    case SDL_MOUSEMOTION: {
+        game->cursor_x = event->motion.x;
+        game->cursor_y = event->motion.y;
+    } break;
+    }
+
     switch (game->state) {
     case GAME_STATE_RUNNING:
         return game_event_running(game, event);
@@ -402,10 +536,14 @@ int game_event(Game *game, const SDL_Event *event)
     case GAME_STATE_LEVEL_PICKER:
         return game_event_level_picker(game, event);
 
-    default: {}
+    case GAME_STATE_LEVEL_EDITOR:
+        return game_event_level_editor(game, event);
+
+    case GAME_STATE_QUIT:
+        return 0;
     }
 
-    return 0;
+    return -1;
 }
 
 
@@ -420,6 +558,7 @@ int game_input(Game *game,
     case GAME_STATE_QUIT:
     case GAME_STATE_PAUSE:
     case GAME_STATE_CONSOLE:
+    case GAME_STATE_LEVEL_EDITOR:
         return 0;
 
     case GAME_STATE_RUNNING:
@@ -454,7 +593,26 @@ game_send(Game *game, Gc *gc, struct Scope *scope,
 
     if (strcmp(target, "level") == 0) {
         return level_send(game->level, gc, scope, rest);
+    } else if (strcmp(target, "menu") == 0) {
+        level_picker_clean_selection(game->level_picker);
+        game->state = GAME_STATE_LEVEL_PICKER;
+        return eval_success(NIL(gc));
     }
 
     return unknown_target(gc, "game", target);
 }
+
+// Private Functions
+
+static int game_render_cursor(const Game *game)
+{
+    trace_assert(game);
+
+    SDL_Rect src = {0, 0, 32, 32};
+    SDL_Rect dest = {game->cursor_x, game->cursor_y, 32, 32};
+    if (SDL_RenderCopy(game->renderer, game->texture_cursor, &src, &dest) < 0) {
+        return -1;
+    }
+
+    return 0;
+}