diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/core.h | 3 | ||||
| -rw-r--r-- | include/lights.h | 7 | ||||
| -rw-r--r-- | include/main.h | 2 | ||||
| -rw-r--r-- | include/rlights.h | 183 | ||||
| -rw-r--r-- | include/state.h | 4 |
5 files changed, 199 insertions, 0 deletions
diff --git a/include/core.h b/include/core.h index 1f0691c..8cb2977 100644 --- a/include/core.h +++ b/include/core.h @@ -2,6 +2,7 @@ /* Validators. */ bool validCamera3D( size_t id ); +bool validShader( size_t id ); /* Window. */ int lcoreIsWindowReady( lua_State *L ); int lcoreIsWindowFullscreen( lua_State *L ); @@ -61,6 +62,8 @@ int lcoreBeginShaderMode( lua_State *L ); int lcoreEndShaderMode( lua_State *L ); int lcoreGetShaderLocation( lua_State *L ); int lcoreGetShaderLocationAttrib( lua_State *L ); +int lcoreSetShaderLocationIndex( lua_State *L ); +int lcoreGetShaderLocationIndex( lua_State *L ); int lcoreSetShaderValueMatrix( lua_State *L ); int lcoreSetShaderValueTexture( lua_State *L ); int lcoreSetShaderValue( lua_State *L ); diff --git a/include/lights.h b/include/lights.h new file mode 100644 index 0000000..2b483b3 --- /dev/null +++ b/include/lights.h @@ -0,0 +1,7 @@ +#pragma once + +/* Validators. */ +bool validLight( size_t id ); +/* Basics. */ +int llightsCreateLight( lua_State *L ); +int llightsUpdateLightValues( lua_State *L ); diff --git a/include/main.h b/include/main.h index dd359ee..1f626f0 100644 --- a/include/main.h +++ b/include/main.h @@ -11,6 +11,8 @@ #include <string.h> #include "raylib.h" #include "raymath.h" +#include "raygui.h" +#include "rlights.h" #include "rlgl.h" #include <lua.h> #include <lualib.h> diff --git a/include/rlights.h b/include/rlights.h new file mode 100644 index 0000000..a1b2988 --- /dev/null +++ b/include/rlights.h @@ -0,0 +1,183 @@ +/********************************************************************************************** +* +* raylib.lights - Some useful functions to deal with lights data +* +* CONFIGURATION: +* +* #define RLIGHTS_IMPLEMENTATION +* Generates the implementation of the library into the included file. +* If not defined, the library is in header only mode and can be included in other headers +* or source files without problems. But only ONE file should hold the implementation. +* +* LICENSE: zlib/libpng +* +* Copyright (c) 2017-2020 Victor Fisac (@victorfisac) and Ramon Santamaria (@raysan5) +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#ifndef RLIGHTS_H +#define RLIGHTS_H + +//---------------------------------------------------------------------------------- +// Defines and Macros +//---------------------------------------------------------------------------------- +#define MAX_LIGHTS 4 // Max dynamic lights supported by shader + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- + +// Light data +typedef struct { + int type; + Vector3 position; + Vector3 target; + Color color; + bool enabled; + + // Shader locations + int enabledLoc; + int typeLoc; + int posLoc; + int targetLoc; + int colorLoc; +} Light; + +// Light type +typedef enum { + LIGHT_DIRECTIONAL, + LIGHT_POINT +} LightType; + +#ifdef __cplusplus +extern "C" { // Prevents name mangling of functions +#endif + +//---------------------------------------------------------------------------------- +// Module Functions Declaration +//---------------------------------------------------------------------------------- +Light CreateLight(int type, Vector3 position, Vector3 target, Color color, Shader shader); // Create a light and get shader locations +void UpdateLightValues(Shader shader, Light light); // Send light properties to shader + +#ifdef __cplusplus +} +#endif + +#endif // RLIGHTS_H + + +/*********************************************************************************** +* +* RLIGHTS IMPLEMENTATION +* +************************************************************************************/ + +#if defined(RLIGHTS_IMPLEMENTATION) + +#include "raylib.h" + +//---------------------------------------------------------------------------------- +// Defines and Macros +//---------------------------------------------------------------------------------- +// ... + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- +// ... + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +static int lightsCount = 0; // Current amount of created lights + +//---------------------------------------------------------------------------------- +// Module specific Functions Declaration +//---------------------------------------------------------------------------------- +// ... + +//---------------------------------------------------------------------------------- +// Module Functions Definition +//---------------------------------------------------------------------------------- + +// Create a light and get shader locations +Light CreateLight(int type, Vector3 position, Vector3 target, Color color, Shader shader) +{ + Light light = { 0 }; + + if (lightsCount < MAX_LIGHTS) + { + light.enabled = true; + light.type = type; + light.position = position; + light.target = target; + light.color = color; + + // TODO: Below code doesn't look good to me, + // it assumes a specific shader naming and structure + // Probably this implementation could be improved + char enabledName[32] = "lights[x].enabled\0"; + char typeName[32] = "lights[x].type\0"; + char posName[32] = "lights[x].position\0"; + char targetName[32] = "lights[x].target\0"; + char colorName[32] = "lights[x].color\0"; + + // Set location name [x] depending on lights count + enabledName[7] = '0' + lightsCount; + typeName[7] = '0' + lightsCount; + posName[7] = '0' + lightsCount; + targetName[7] = '0' + lightsCount; + colorName[7] = '0' + lightsCount; + + light.enabledLoc = GetShaderLocation(shader, enabledName); + light.typeLoc = GetShaderLocation(shader, typeName); + light.posLoc = GetShaderLocation(shader, posName); + light.targetLoc = GetShaderLocation(shader, targetName); + light.colorLoc = GetShaderLocation(shader, colorName); + + UpdateLightValues(shader, light); + + lightsCount++; + } + + return light; +} + +// Send light properties to shader +// NOTE: Light shader locations should be available +void UpdateLightValues(Shader shader, Light light) +{ + // Send to shader light enabled state and type + SetShaderValue(shader, light.enabledLoc, &light.enabled, SHADER_UNIFORM_INT); + SetShaderValue(shader, light.typeLoc, &light.type, SHADER_UNIFORM_INT); + + // Send to shader light position values + float position[3] = { light.position.x, light.position.y, light.position.z }; + SetShaderValue(shader, light.posLoc, position, SHADER_UNIFORM_VEC3); + + // Send to shader light target position values + float target[3] = { light.target.x, light.target.y, light.target.z }; + SetShaderValue(shader, light.targetLoc, target, SHADER_UNIFORM_VEC3); + + // Send to shader light color values + float color[4] = { (float)light.color.r/(float)255, (float)light.color.g/(float)255, + (float)light.color.b/(float)255, (float)light.color.a/(float)255 }; + SetShaderValue(shader, light.colorLoc, color, SHADER_UNIFORM_VEC4); +} + +#endif // RLIGHTS_IMPLEMENTATION
\ No newline at end of file diff --git a/include/state.h b/include/state.h index 3fc4e8e..f724cc1 100644 --- a/include/state.h +++ b/include/state.h @@ -62,6 +62,10 @@ typedef struct { Shader **shaders; size_t shaderCount; size_t shaderAlloc; + /* Lights. */ + Light **lights; + size_t lightCount; + size_t lightAlloc; } State; extern State *state; |