Add mosaic pixel shader to engine. Release Build 7485.

Adventures in Lestoria/State_OverworldMap.cpp

@@ -90,6 +90,15 @@ void State_OverworldMap::OnUserUpdate(AiL*game){
 	game->UpdateCamera(game->GetElapsedTime());
 	game->GetPlayer()->Update(game->GetElapsedTime());
 
+	if(game->GetKey(PGUP).bHeld){
+		mosaicAmt+=game->GetElapsedTime()*10;
+		game->SetMosaicEffect(uint8_t(mosaicAmt));
+	}
+	if(game->GetKey(PGDN).bHeld){
+		mosaicAmt-=game->GetElapsedTime()*10;
+		game->SetMosaicEffect(uint8_t(mosaicAmt));
+	}
+
 	if(game->GetPlayer()->GetPos()!=playerTargetPos){
 		if(geom2d::line<float>(game->GetPlayer()->GetPos(),playerTargetPos).length()<2){
 			game->GetPlayer()->SetPos(playerTargetPos);

Adventures in Lestoria/State_OverworldMap.h

@@ -47,6 +47,7 @@ class State_OverworldMap:public GameState{
 	vf2d playerTargetPos;
 	const float playerMoveSpd=48.0;
 	bool analogMove=false;
+	float mosaicAmt=0.f;
 public:
 	State_OverworldMap();
 	static std::vector<ConnectionPoint>connections;

Adventures in Lestoria/TODO.txt

@@ -1,7 +1,14 @@
 January 1st
 ===========
+- Foreground tile depth correction for tiles w/hitboxes
+
+- Add Death screen (Zoom in on fatal blow, slow time down... Display some game over text... Allow retry or return to world map.)
+
 - Track items used during a stage, on death, restore the loadout item quantities used.
 
+- Icon displays / Proper key displays above skill keys
+
+
 Add Bonus XP when completing a stage
 
 January 31st
@@ -10,17 +17,14 @@ January 31st
 - Loading Screen
 - Title Screen setpieces
 
-- Add Death screen (Zoom in on fatal blow, slow time down... Display some game over text... Allow retry or return to world map.)
 
 - Hide mouse cursor during controller play. Reveal it again during mouse play.
 - Resource Packs
 
-- Hold mouse down to increase quantity
-
-- Icon displays / Proper key displays above skill keys
-
 - Auto aim causes retreat-type moves to aim away from the auto target, and prefer the direction the player's moving in.
 
 - Condense stage track (loading times)
 
+- SNES mosaic effect on stage select/stage transition.
+
 - Credits/Licensing

Adventures in Lestoria/Version.h

@@ -39,7 +39,7 @@ All rights reserved.
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 3
 #define VERSION_PATCH 0
-#define VERSION_BUILD 7474
+#define VERSION_BUILD 7485
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a

Adventures in Lestoria/olcPixelGameEngine.h

@@ -376,6 +376,8 @@ return 0;
 */
 #pragma endregion
 
+#define OLC_GFX_OPENGL33
+
 #ifndef OLC_PGE_DEF
 #define OLC_PGE_DEF
 
@@ -1230,6 +1232,8 @@ namespace olc
 		int32_t TextEntryGetCursor() const;
 		bool IsTextEntryEnabled() const;
 		void TextEntrySetCharLimit(const uint8_t charLimit);
+		const uint8_t GetMosaicEffect()const;
+		void SetMosaicEffect(uint8_t effectLevel);
 
 	public:
 		static std::map<char,Pixel> charToColor;
@@ -1340,6 +1344,7 @@ namespace olc
 		std::vector<std::string> vDroppedFilesCache;
 		olc::vi2d vDroppedFilesPoint;
 		olc::vi2d vDroppedFilesPointCache;
+		uint8_t mosaic=1;
 		uint8_t nTextEntryCharLimit=std::numeric_limits<uint8_t>::max();
 
 		// Command Console Specific
@@ -1505,6 +1510,7 @@ namespace olc
 	typedef GLint CALLSTYLE locGetUniformLocation_t(GLuint program, const GLchar* name);
 	typedef void CALLSTYLE locUniform1f_t(GLint location, GLfloat v0);
 	typedef void CALLSTYLE locUniform1i_t(GLint location, GLint v0);
+	typedef void CALLSTYLE locUniform2f_t(GLint location, GLfloat v0, GLfloat v1);
 	typedef void CALLSTYLE locUniform2fv_t(GLint location, GLsizei count, const GLfloat* value);
 	typedef void CALLSTYLE locActiveTexture_t(GLenum texture);
 	typedef void CALLSTYLE locGenFrameBuffers_t(GLsizei n, GLuint* ids);
@@ -4383,6 +4389,12 @@ namespace olc
 	void PixelGameEngine::TextEntrySetCharLimit(const uint8_t charLimit){
 		nTextEntryCharLimit=charLimit;
 	}
+	const uint8_t PixelGameEngine::GetMosaicEffect()const{
+		return mosaic;
+	}
+	void PixelGameEngine::SetMosaicEffect(uint8_t effectLevel){
+		mosaic=std::max(uint8_t(1),effectLevel);
+	}
 
 	void PixelGameEngine::UpdateTextEntry()
 	{
@@ -5570,6 +5582,9 @@ namespace olc
 		locGenVertexArrays_t* locGenVertexArrays = nullptr;
 		locSwapInterval_t* locSwapInterval = nullptr;
 		locGetShaderInfoLog_t* locGetShaderInfoLog = nullptr;
+		locGetUniformLocation_t* locGetUniformLocation = nullptr;
+		locUniform1i_t* locUniform1i = nullptr;
+		locUniform2f_t* locUniform2f = nullptr;
 
 		uint32_t m_nFS = 0;
 		uint32_t m_nVS = 0;
@@ -5711,6 +5726,9 @@ namespace olc
 			locEnableVertexAttribArray = OGL_LOAD(locEnableVertexAttribArray_t, glEnableVertexAttribArray);
 			locUseProgram = OGL_LOAD(locUseProgram_t, glUseProgram);
 			locGetShaderInfoLog = OGL_LOAD(locGetShaderInfoLog_t, glGetShaderInfoLog);
+			locGetUniformLocation = OGL_LOAD(locGetUniformLocation_t, glGetUniformLocation);
+			locUniform1i = OGL_LOAD(locUniform1i_t, glUniform1i);
+			locUniform2f = OGL_LOAD(locUniform2f_t, glUniform2f);
 #if !defined(OLC_PLATFORM_EMSCRIPTEN)
 			locBindVertexArray = OGL_LOAD(locBindVertexArray_t, glBindVertexArray);
 			locGenVertexArrays = OGL_LOAD(locGenVertexArrays_t, glGenVertexArrays);
@@ -5724,12 +5742,22 @@ namespace olc
 			const GLchar* strFS =
 #if defined(__arm__) || defined(OLC_PLATFORM_EMSCRIPTEN)
 				"#version 300 es\n"
-				"precision mediump float;"
+				"precision highp float;"
 #else
 				"#version 330 core\n"
 #endif
-				"out vec4 pixel;\n""in vec2 oTex;\n"
-				"in vec4 oCol;\n""uniform sampler2D sprTex;\n""void main(){pixel = texture(sprTex, oTex) * oCol;}";
+				"out vec4 pixel;\n"
+				"in vec2 oTex;\n"
+				"in vec4 oCol;\n"
+				"uniform int mosaic;\n"
+				"uniform vec2 size;\n"
+				"uniform sampler2D sprTex;\n"
+				"void main(){\n"
+					"if(mosaic<=1){pixel = texture(sprTex,oTex) * oCol;return;}\n"
+					"vec2 texelSize = 1.0 / textureSize(sprTex,0); \n"
+					"vec2 pos = oTex / texelSize; \n""vec2 outputPos = vec2(floor(pos.x/float(mosaic))*float(mosaic),floor(pos.y/float(mosaic))*float(mosaic));\n"
+					"pixel = texture(sprTex, outputPos*texelSize) * oCol;\n"
+				"}";
 			locShaderSource(m_nFS, 1, &strFS, NULL);
 			locCompileShader(m_nFS);
 
@@ -5741,9 +5769,18 @@ namespace olc
 #else
 				"#version 330 core\n"
 #endif
-				"layout(location = 0) in vec3 aPos;\n""layout(location = 1) in vec2 aTex;\n"
-				"layout(location = 2) in vec4 aCol;\n""out vec2 oTex;\n""out vec4 oCol;\n"
-				"void main(){ float p = 1.0 / aPos.z; gl_Position = p * vec4(aPos.x, aPos.y, 0.0, 1.0); oTex = p * aTex; oCol = aCol;}";
+				"layout(location = 0) in vec3 aPos;\n"
+				"layout(location = 1) in vec2 aTex;\n"
+				"layout(location = 2) in vec4 aCol;\n"
+				"out vec2 oTex;\n"
+				"out vec4 oCol;\n"
+				"\n"
+				"void main(){\n"
+					"float p = 1.0 / aPos.z;\n"
+					"gl_Position = p * vec4(aPos.x, aPos.y, 0.0, 1.0);\n"
+					"oTex = p * aTex;\n"
+					"oCol = aCol;\n"
+				"}";
 			locShaderSource(m_nVS, 1, &strVS, NULL);
 			locCompileShader(m_nVS);
 
@@ -5826,6 +5863,10 @@ namespace olc
 			nDecalMode = DecalMode::NORMAL;
 			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 			locUseProgram(m_nQuadShader);
+			GLint mosaicUniformLoc = locGetUniformLocation(m_nQuadShader, "mosaic");
+			GLint sizeUniformLoc = locGetUniformLocation(m_nQuadShader, "size");
+			locUniform1i(mosaicUniformLoc,ptrPGE->GetMosaicEffect());
+			locUniform2f(sizeUniformLoc,ptrPGE->ScreenWidth(),ptrPGE->ScreenHeight());
 			locBindVertexArray(m_vaQuad);
 
 #if defined(OLC_PLATFORM_EMSCRIPTEN)