splash: New (WIP) screen

5 files changed, 237 insertions, 1 deletions

diff --git a/src/defs.h b/src/defs.h
index 7fa89b4..0b7a47a 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -20,7 +20,40 @@
 #ifndef MF_DEFS_H_
 #define MF_DEFS_H_
 
+/* Window dimensions */
 #define MF_WINDOW_W 640  /* Window width */
 #define MF_WINDOW_H 480  /* Window height */
 
+/* Splash menu */
+#define MF_SPLASH_MAZE_CELL_W  16  /* Background maze cell width */
+#define MF_SPLASH_WINDOW_P     24  /* Window padding */
+#define MF_SPLASH_FORM_P       24  /* Form padding */
+#define MF_SPLASH_TITLE_M      24  /* Margin under title */
+#define MF_SPLASH_ROW_M        16  /* Margin between rows */
+#define MF_SPLASH_COL_M        16  /* Margin between labels and entries */
+#define MF_SPLASH_LBL_M         8  /* Margin between radio buttons and labels */
+#define MF_SPLASH_BOX_W        16  /* Radio button and check box width */
+#define MF_SPLASH_BOX_P         2  /* Radio button and check box padding */
+#define MF_SPLASH_BTN_P         8  /* Button padding */
+#define MF_SPLASH_TITLE_FONT_S 48  /* Title font size */
+#define MF_SPLASH_TEXT_FONT_S  16  /* Regular text font size */
+
+/* Colors */
+#define MF_COLOR_BACK_R 0xAF  /* Background color */
+#define MF_COLOR_BACK_G 0xAF
+#define MF_COLOR_BACK_B 0xAF
+#define MF_COLOR_BACK_A 0xFF
+#define MF_COLOR_MAZE_R 0x00  /* Maze wall color */
+#define MF_COLOR_MAZE_G 0x00
+#define MF_COLOR_MAZE_B 0x00
+#define MF_COLOR_MAZE_A 0xFF
+#define MF_COLOR_FORM_R 0xDF  /* Text/button color */
+#define MF_COLOR_FORM_G 0xDF
+#define MF_COLOR_FORM_B 0xDF
+#define MF_COLOR_FORM_A 0xDF
+#define MF_COLOR_FORE_R 0x00  /* Text/button color */
+#define MF_COLOR_FORE_G 0x00
+#define MF_COLOR_FORE_B 0x00
+#define MF_COLOR_FORE_A 0xFF
+
 #endif  /* MF_DEFS_H_ */
diff --git a/src/local.mk b/src/local.mk
index 891139c..bdde089 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -5,5 +5,7 @@ mazefight_SOURCES += \
 	%reldir%/main.c \
 	%reldir%/maze.c \
 	%reldir%/maze.h \
+	%reldir%/splash.c \
+	%reldir%/splash.h \
 	%reldir%/util.c \
 	%reldir%/util.h
diff --git a/src/main.c b/src/main.c
index 2180655..ff248f1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include "defs.h"
 #include "dirs.h"
+#include "splash.h"
 
 static SDL_Window   *_mf_window;
 static SDL_Renderer *_mf_renderer;
@@ -87,6 +88,8 @@ int
 main(int argc __attribute__((__unused__)),
 		char *argv[] __attribute__((__unused__)))
 {
+	int e;
+
 	/* Find data directories */
 	mf_find_dirs(argv[0]);
 
@@ -95,8 +98,13 @@ main(int argc __attribute__((__unused__)),
 		return EXIT_FAILURE;
 	}
 
+	e = EXIT_SUCCESS;
+	if (mf_splash(_mf_renderer) < 0) {
+		e = EXIT_FAILURE;
+	}
+
 	/* Quit SDL libraries */
 	_mf_quit();
 
-	return EXIT_SUCCESS;
+	return e;
 }
diff --git a/src/splash.c b/src/splash.c
new file mode 100644
index 0000000..f662a0d
--- /dev/null
+++ b/src/splash.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Maze Fight
+ *
+ * Maze Fight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Maze Fight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <SDL.h>
+#include <SDL_ttf.h>
+#include <stdlib.h>
+#include <time.h>
+#include "defs.h"
+#include "dirs.h"
+#include "maze.h"
+#include "splash.h"
+#include "util.h"
+
+static SDL_Texture *
+_mf_splash_text(TTF_Font *font, const char *text, SDL_Color *color,
+		SDL_Renderer *renderer, SDL_Rect *rect)
+{
+	SDL_Surface *surface;
+	SDL_Texture *texture;
+
+	surface = TTF_RenderUTF8_Blended(font, text, *color);
+	if (surface == NULL) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't create surface: %s",
+				TTF_GetError());
+		return NULL;
+	}
+
+	texture = SDL_CreateTextureFromSurface(renderer, surface);
+	if (texture == NULL) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't create texture: %s",
+				SDL_GetError());
+		return NULL;
+	}
+
+	rect->w = surface->w;
+	rect->h = surface->h;
+
+	SDL_FreeSurface(surface);
+
+	return texture;
+}
+
+int
+mf_splash(SDL_Renderer *renderer)
+{
+	char           *font_path;
+	SDL_Color       text_color;
+	TTF_Font       *font;
+	SDL_Rect        title_rect;
+	SDL_Texture    *title_texture;
+	SDL_Rect        form_rect;
+	struct mf_maze *maze;
+	SDL_Color       maze_color;
+	SDL_Event       event;
+
+	font_path = mf_strcat(mf_get_fonts_dir(), "/FifteenTwenty-Regular.ttf");
+
+	text_color.r = MF_COLOR_FORE_R;
+	text_color.g = MF_COLOR_FORE_G;
+	text_color.b = MF_COLOR_FORE_B;
+	text_color.a = MF_COLOR_FORE_A;
+
+	/* Render title text */
+	font = TTF_OpenFont(font_path, MF_SPLASH_TITLE_FONT_S);
+	if (font == NULL) {
+		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+				"Couldn't open font: %s",
+				TTF_GetError());
+		free(font_path);
+		return -1;
+	}
+	title_texture = _mf_splash_text(font, "Maze Fight", &text_color,
+			renderer, &title_rect);
+	if (title_texture == NULL) {
+		goto err;
+	}
+	TTF_CloseFont(font);
+	font = NULL;
+	title_rect.x = (MF_WINDOW_W - title_rect.w) / 2;
+	title_rect.y = MF_SPLASH_WINDOW_P + MF_SPLASH_FORM_P;
+
+	/* TODO: Widgets */
+
+	/* TODO: Size to widgets and center in window */
+	form_rect.x = MF_SPLASH_WINDOW_P;
+	form_rect.y = MF_SPLASH_WINDOW_P;
+	form_rect.w = MF_WINDOW_W - MF_SPLASH_WINDOW_P*2;
+	form_rect.h = MF_WINDOW_H - MF_SPLASH_WINDOW_P*2;
+
+	free(font_path);
+	font_path = NULL;
+
+	/* Create maze */
+	maze = mf_maze_new(time(NULL),
+			MF_WINDOW_W / MF_SPLASH_MAZE_CELL_W,
+			MF_WINDOW_H / MF_SPLASH_MAZE_CELL_W);
+	if (maze == NULL) {
+		goto err;
+	}
+	maze_color.r = MF_COLOR_MAZE_R;
+	maze_color.g = MF_COLOR_MAZE_G;
+	maze_color.b = MF_COLOR_MAZE_B;
+	maze_color.a = MF_COLOR_MAZE_A;
+
+	SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
+
+	while (SDL_WaitEvent(&event)) {
+		switch (event.type) {
+			case SDL_QUIT:
+				goto quit;
+			default:
+				break;
+		}
+		SDL_SetRenderDrawColor(renderer,
+				MF_COLOR_BACK_R, MF_COLOR_BACK_G,
+				MF_COLOR_BACK_B, MF_COLOR_BACK_A);
+		SDL_RenderClear(renderer);
+		mf_maze_render(maze, renderer, &maze_color,
+				MF_SPLASH_MAZE_CELL_W);
+		SDL_SetRenderDrawColor(renderer,
+				MF_COLOR_FORM_R, MF_COLOR_FORM_G,
+				MF_COLOR_FORM_B, MF_COLOR_FORM_A);
+		SDL_RenderFillRect(renderer, &form_rect);
+		SDL_RenderCopy(renderer, title_texture, NULL, &title_rect);
+		SDL_RenderPresent(renderer);
+	}
+
+ quit:
+	SDL_DestroyTexture(title_texture);
+	title_texture = NULL;
+
+	mf_maze_destroy(&maze);
+
+	return 0;
+
+ err:
+	if (font_path != NULL) {
+		free(font_path);
+	}
+	if (font != NULL) {
+		TTF_CloseFont(font);
+	}
+	if (title_texture != NULL) {
+		SDL_DestroyTexture(title_texture);
+	}
+	return -1;
+}
diff --git a/src/splash.h b/src/splash.h
new file mode 100644
index 0000000..9b76db5
--- /dev/null
+++ b/src/splash.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Maze Fight
+ *
+ * Maze Fight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Maze Fight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MF_SPLASH_H_
+#define MF_SPLASH_H_
+
+#include <SDL.h>
+
+int
+mf_splash(SDL_Renderer *renderer);
+
+#endif  /* MF_SPLASH_H_ */