Texture shenanigans

core/enginever.in.hpp

@@ -1,3 +1,5 @@
 #pragma once
 
-#define HIBIS_VERSION "@version@"
+namespace hibis {
+	#define HIBIS_VERSION "@version@"
+}

core/pragmautil.hpp

@@ -3,7 +3,7 @@
 // TODO: pragma
 #define PRAGMA(x) _Pragma(#x)
 
-#define MESSAGE(x) PRAGMA(message(x))
+#define MESSAGE(x) PRAGMA(message x)
-#define TODO(x) PRAGMA(message("TODO: " x))
+#define TODO(x) PRAGMA(message "TODO: " x)
 #define WARNING(x) PRAGMA(GCC warning x)
 #define ERROR(x) PRAGMA(GCC error x)

core/renderer/renderer.hpp

@@ -2,6 +2,7 @@
 
 #include "../math/types.hpp"
 #include "../resources/resource.hpp"
+#include "../resources/texture.hpp"
 #include <string>
 
 namespace hibis {
@@ -12,6 +13,7 @@ namespace hibis {
 		virtual void renderCurrent() = 0;
 
 		virtual void drawText(Resource* resource, std::string text, IntVec2 pos, Color color) = 0;
+		virtual void drawTexture(Texture* resource, float scale, IntVec2 pos) = 0;
 
 		// Pre and Post draw
 		virtual void preDraw() = 0;

core/resources/texture.cpp

@@ -0,0 +1,20 @@
+#include "texture.hpp"
+
+namespace hibis {
+	Texture::Texture(char* path) : mData(), mImageWidth(0), mImageHeight(0), mBuffer() {
+		unsigned int error = lodepng::load_file(mBuffer, path);
+		if (error) {
+			TODO("error message")
+			return;
+		}
+
+		error = lodepng::decode(mData, mImageWidth, mImageHeight, mBuffer);
+
+		if (error) {
+			TODO("error message")
+			return;
+		}
+	}
+
+	Texture::~Texture() {}
+}

core/resources/texture.hpp

@@ -1,11 +1,21 @@
 #pragma once
 
+#include <vector>
+
+#include <lodepng/lodepng.h>
+
 #include "resource.hpp"
 #include "../pragmautil.hpp"
 
 namespace hibis {
 	TODO("Make this function")
 	class Texture : Resource {
-		void* mData;
+	public:
+		Texture(char* path);
+		~Texture();
+		std::vector<unsigned char> mData;
+		unsigned int mImageWidth, mImageHeight;
+	private:
+		std::vector<unsigned char> mBuffer;
 	};
 }

external/.kdev_ignore

@@ -0,0 +1 @@
+ignore

external/CImg

@@ -0,0 +1 @@
+Subproject commit 63e1732c18305951a8a25d1d78138cce31da8c9c

meson.build

@@ -8,11 +8,12 @@ confdata.set('version', meson.project_version())
 configure_file(input: 'core/enginever.in.hpp', output: 'enginever.hpp', configuration: confdata)
 
 # Include Directory
-include_dirs = [] # include_directories('./include')
+include_dirs = include_directories('./external')
 
 # Files
 libhibis_src_core = files('core/engine/engine.cpp')
-libhibis_src = [libhibis_src_core]
+libhibis_src_resources = files('core/resources/texture.cpp')
+libhibis_src = [libhibis_src_core, libhibis_src_resources]
 
 libhibis_rsdl_src = files('renderer/rsdl/rsdl.cpp', 'renderer/rsdl/resources/font.cpp')
 libhibis_test_src = files('test/app.cpp')
@@ -21,8 +22,9 @@ libhibis_test_src = files('test/app.cpp')
 libsdl2 = dependency('SDL2')
 libsdl2_ttf = dependency('SDL2_ttf')
 libfmt = dependency('fmt')
+liblodepng = static_library('lodepng', 'external/lodepng/lodepng.cpp')
 
 # Compile
-libhibis = library('hibis', libhibis_src, include_directories: include_dirs)
+libhibis = library('hibis', libhibis_src, include_directories: include_dirs, link_with: liblodepng)
 libhibis_rsdl = library('hibis_rsdl', libhibis_rsdl_src, include_directories: [include_dirs, './core'], link_with: libhibis, dependencies: [libsdl2, libsdl2_ttf, libfmt])
 hibistest = executable('hibistest.exec', libhibis_test_src, include_directories: [include_dirs, './core', './renderer/rsdl'], link_with: [libhibis, libhibis_rsdl], dependencies: [libsdl2, libsdl2_ttf, libfmt])

renderer/rsdl/rsdl.cpp

@@ -77,6 +77,13 @@ namespace hibis::rsdl {
 		}
 	}
 
+	void RSDL::drawTexture(Texture* resource, float scale, hibis::IntVec2 pos) {
+		if (resource->mData.empty()) return;
+
+		TODO("this nonsense")
+		return;
+	}
+
 	void RSDL::preDraw() {}
 	void RSDL::postDraw() {}
 

renderer/rsdl/rsdl.hpp

@@ -19,18 +19,19 @@ namespace hibis::rsdl {
 
 		~RSDL();
 
-		void clearScreen(Color col = Color {0, 0, 0, 255});
+		void clearScreen(Color col = Color {0, 0, 0, 255}) override;
 
-		void renderCurrent();
+		void renderCurrent() override;
 
-		void drawText(Resource* resource, std::string text, IntVec2 pos, Color color);
+		void drawText(Resource* resource, std::string text, IntVec2 pos, Color color) override;
+		void drawTexture(Texture* resource, float scale, hibis::IntVec2 pos) override;
 
-		void preDraw();
+		void preDraw() override;
-		void postDraw();
+		void postDraw() override;
 
-		void update();
+		void update() override;
 
-		void setWindowTitle(std::string title);
+		void setWindowTitle(std::string title) override;
 
 	private:
 		SDL_Window* mWindow;

test/app.cpp

@@ -53,6 +53,8 @@ int main() {
 	Font font = Font("/usr/share/fonts/noto/NotoSans-Light.ttf", 16);
 #endif
 
+	Texture image = Texture((char*)"test.png");
+
 	unsigned char red = 0;
 	bool increaseRed = true;
 	bool increaseSize = true;
@@ -84,6 +86,7 @@ int main() {
 		// Clear screen then sleep for ~16ms
 		renderer.clearScreen(Color {red, 0, 0, 255});
 		renderer.drawText(&font, "Testing Text", IntVec2 {0, 0}, Color {255, 255, 255, 255});
+		renderer.drawTexture(&image, 1.0f, IntVec2 {10, 10});
 
 		engine.drawNodes();
 		renderer.renderCurrent();