stub laydown

.clang-format

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+BasedOnStyle: LLVM
+IndentWidth: 8
+UseTab: AlignWithSpaces
+BreakBeforeBraces: Attach
+AllowShortIfStatementsOnASingleLine: false
+AllowShortBlocksOnASingleLine: Empty
+AllowShortFunctionsOnASingleLine: Empty
+IndentCaseLabels: false
+ColumnLimit: 80
+AlignConsecutiveMacros: true

.gitignore

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+# Build files
+/build*
+/*.g1a
+/*.g3a
+
+# Python bytecode
+ __pycache__/
+
+# Common IDE files
+*.sublime-project
+*.sublime-workspace
+.vscode

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.22)
+project(lzy)
+
+include(GenerateG3A)
+include(Fxconv)
+find_package(Gint 2.7.0 REQUIRED)
+
+include_directories(inc)
+
+set(SOURCES
+	src/main.c
+)
+
+set(ASSETS
+)
+
+fxconv_declare_assets(${ASSETS} WITH_METADATA)
+
+add_executable(thyaddin ${SOURCES} ${ASSETS})
+target_compile_options(thyaddin PRIVATE -Wall -Wextra -Os)
+target_link_libraries(thyaddin Gint::Gint)
+
+generate_g3a(TARGET thyaddin OUTPUT "lzy.g3a"
+	NAME "lzy" ICONS res/icon-uns.png res/icon-sel.png)

inc/lzy.h

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+#ifndef LZY_H_
+#define LZY_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <stdint.h>
+
+int LZY_Init(void);
+int LZY_Deinit(void);
+int LZY_DrawBegin(void);
+int LZY_DrawEnd(void);
+void LZY_DrawSetColor(uint8_t r, uint8_t g, uint8_t b);
+int LZY_DrawClear(void);
+void LZY_CycleEvents(void);
+int LZY_KeyDown(unsigned int scancode);
+const char *LZY_GetError(void);
+
+#ifdef FXCG50
+#include <gint/keycodes.h>
+enum LZY_ScanCode {
+	LZY_SC_ESCAPE = KEY_EXIT,
+};
+#else /* end FXCG50, begin SDL2 */
+#include <SDL.h>
+enum LZY_ScanCode {
+	LZY_SC_ESCAPE = SDLK_ESCAPE,
+};
+#endif /* SDL2 */
+#ifdef __cplusplus
+}
+#endif
+#endif /* LZY_H_ */
+
+/* implementation */
+#ifdef LZY_IMPLEMENTATION
+#ifndef LZY_TILE_SIZE
+#define LZY_TILE_SIZE 16
+#endif
+#ifdef FXCG50
+#include <gint/display.h>
+#include <stdint.h>
+
+static color_t draw_color;
+
+int LZY_Init(void) {
+	return 0;
+}
+
+int LZY_Deinit(void) {
+	return 0;
+}
+
+int LZY_DrawBegin(void) {
+	return 0;
+}
+
+int LZY_DrawEnd(void) {
+	return 0;
+}
+
+void LZY_DrawSetColor(uint8_t r, uint8_t g, uint8_t b) {
+	draw_color = C_RGB(r << 3, g << 3, b << 3);
+}
+
+int LZY_DrawClear(void) {
+	return 0;
+}
+
+void LZY_CycleEvents(void) {}
+
+int LZY_KeyDown(unsigned int scancode) {
+	return 0;
+}
+
+const char *LZY_GetError(void) {
+	return NULL;
+}
+
+#else /* end FXCG50, begin SDL2 */
+#include <SDL.h>
+#include <stdint.h>
+
+int LZY_Init(void) {
+	return 0;
+}
+
+int LZY_Deinit(void) {
+	return 0;
+}
+
+int LZY_DrawBegin(void) {
+	return 0;
+}
+
+int LZY_DrawEnd(void) {
+	return 0;
+}
+
+void LZY_DrawSetColor(uint8_t r, uint8_t g, uint8_t b) {}
+
+int LZY_DrawClear(void) {
+	return 0;
+}
+
+void LZY_CycleEvents(void) {}
+
+int LZY_KeyDown(unsigned int scancode) {
+	return 0;
+}
+
+const char *LZY_GetError(void) {
+	return NULL;
+}
+#endif /* SDL2 */
+#endif /* LZY_IMPLEMENTATION */

meson.build

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+project('lzy', 'c')
+
+cc = meson.get_compiler('c')
+
+sdl2deps = [
+	dependency('sdl2', version: '>=2.0.0'),
+	dependency('SDL2_image', version: '>=2.0.0'),
+	cc.find_library('m', required: true),
+	cc.find_library('dl', required: true),
+]
+
+inc = include_directories('inc')
+
+sources = [
+	'src/main.c',
+]
+
+c_flags = [
+	'-std=c99', '-Os',
+	'-Wall', '-Wextra',
+]
+
+executable('lzy',
+	sources,
+	include_directories : inc,
+	dependencies : sdl2deps,
+	install: false,
+	c_args : c_flags)

res/fxconv-metadata.txt

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+tset.png:
+  type: bopti-image
+  name: bimg_tset

src/main.c

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+#define LZY_IMPLEMENTATION
+#include "lzy.h"
+
+int main(void) {
+	if (LZY_Init())
+		return 1;
+
+	LZY_DrawSetColor(255, 0, 0);
+
+	LZY_DrawBegin();
+	LZY_DrawClear();
+	LZY_DrawEnd();
+
+	do {
+		LZY_CycleEvents();
+	} while (!LZY_KeyDown(LZY_SC_ESCAPE));
+
+	return 1;
+}