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Models closer to working, just lights being weird

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This commit is contained in:
Mikael Rasmussen
2018-10-24 21:09:13 +02:00
parent 0ad83579fa
commit 4d1ee4d87b
1 changed files with 98 additions and 71 deletions
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169
Examples/models/models_material_pbr.cs
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@ -29,25 +29,36 @@ public struct Light
public partial class models_material_pbr public partial class models_material_pbr
{ {
/******************************************************************************************* /*******************************************************************************************
* *
* raylib [models] example - PBR material * raylib [models] example - PBR material
* *
* This example has been created using raylib 1.8 (www.raylib.com) * This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2017 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
public const int CUBEMAP_SIZE = 512; public const int CUBEMAP_SIZE = 512;
public const int IRRADIANCE_SIZE = 32; public const int IRRADIANCE_SIZE = 32;
public const int PREFILTERED_SIZE = 256; public const int PREFILTERED_SIZE = 256;
public const int BRDF_SIZE = 512;
public const int MAX_LIGHTS = 4; public const int MAX_LIGHTS = 4;
public static int lightsCount = 0; public static int lightsCount = 0;
public const float LIGHT_DISTANCE = 3.5f; public const float LIGHT_DISTANCE = 3.5f;
public const float LIGHT_HEIGHT = 1.0f; public const float LIGHT_HEIGHT = 1.0f;
// PBR material loading // PBR material loading
//private static Material LoadMaterialPBR(Color albedo, float metalness, float roughness);
//private static Material LoadMaterialPBR(Color albedo, float metalness, float roughness); //private static Material LoadMaterialPBR(Color albedo, float metalness, float roughness);
public unsafe static int Main() public unsafe static int Main()
@ -83,23 +94,24 @@ public partial class models_material_pbr
SetTargetFPS(60); // Set our game to run at 60 frames-per-second SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//-------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------
// Main game loop // Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key while (!WindowShouldClose()) // Detect window close button or ESC key
{ {
// Update
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
UpdateCamera(ref camera); // Update camera UpdateCamera(ref camera); // Update camera
UpdateCamera(ref camera); // Update camera
// Send to material PBR shader camera view position // Send to material PBR shader camera view position
// Send to material PBR shader camera view position float[] cameraPos = { camera.position.x, camera.position.y, camera.position.z };
SetShaderValue(model.material.shader, model.material.shader.locs[(int)ShaderLocationIndex.LOC_VECTOR_VIEW], cameraPos, 3); SetShaderValue(model.material.shader, model.material.shader.locs[(int)ShaderLocationIndex.LOC_VECTOR_VIEW], cameraPos, 3);
SetShaderValue(model.material.shader, 0, cameraPos, 3); //(int)model.material.shader.locs, cameraPos, 3);
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
// Draw // Draw
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
BeginDrawing(); BeginDrawing();
ClearBackground(RAYWHITE); ClearBackground(RAYWHITE);
BeginMode3D(camera); BeginMode3D(camera);
@ -111,51 +123,7 @@ public partial class models_material_pbr
DrawFPS(10, 10); DrawFPS(10, 10);
EndDrawing(); EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadModel(model); // Unload skybox model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
public static Light CreateLight(LightType type, Vector3 pos, Vector3 targ, Color color, Shader shader)
{
Light light = new Light() {
enabled = true,
type = type,
position = pos,
target = targ,
color = color,
};
string enabledName = "lights[x].enabled\0";
string typeName = "lights[x].type\0";
string posName = "lights[x].position\0";
string targetName = "lights[x].target\0";
string colorName = "lights[x].color\0";
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);
return light;
}
public static void UpdateLightValues(Shader shader, Light light)
{
// Send to shader light enabled state and type
SetShaderValuei(shader, light.enabledLoc, new int[] { Convert.ToInt32(light.enabled) }, 1);
SetShaderValuei(shader, light.typeLoc, new int[] { Convert.ToInt32(light.type) }, 1);
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
} }
@ -192,16 +160,16 @@ public partial class models_material_pbr
//mat.shader.locs[LOC_MAP_HEIGHT] = GetShaderLocation(mat.shader, "height.sampler"); //mat.shader.locs[LOC_MAP_HEIGHT] = GetShaderLocation(mat.shader, "height.sampler");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_IRRADIANCE] = GetShaderLocation(mat.shader, "irradianceMap"); mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_IRRADIANCE] = GetShaderLocation(mat.shader, "irradianceMap");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_PREFILTER] = GetShaderLocation(mat.shader, "prefilterMap"); mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_PREFILTER] = GetShaderLocation(mat.shader, "prefilterMap");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_PREFILTER] = GetShaderLocation(mat.shader, "prefilterMap"); mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_BRDF] = GetShaderLocation(mat.shader, "brdfLUT");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MAP_BRDF] = GetShaderLocation(mat.shader, "brdfLUT");
// Set view matrix location // Set view matrix location
// Set view matrix location mat.shader.locs[(int)ShaderLocationIndex.LOC_MATRIX_MODEL] = GetShaderLocation(mat.shader, "matModel");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MATRIX_MODEL] = GetShaderLocation(mat.shader, "matModel"); mat.shader.locs[(int)ShaderLocationIndex.LOC_MATRIX_VIEW] = GetShaderLocation(mat.shader, "view");
mat.shader.locs[(int)ShaderLocationIndex.LOC_MATRIX_VIEW] = GetShaderLocation(mat.shader, "view"); mat.shader.locs[(int)ShaderLocationIndex.LOC_VECTOR_VIEW] = GetShaderLocation(mat.shader, "viewPos");
mat.shader.locs[(int)ShaderLocationIndex.LOC_VECTOR_VIEW] = GetShaderLocation(mat.shader, "viewPos");
// Set PBR standard maps
// Set PBR standard maps mat.maps[(int)TexmapIndex.MAP_ALBEDO].texture = LoadTexture("resources/pbr/trooper_albedo.png");
mat.maps[(int)TexmapIndex.MAP_ALBEDO].texture = LoadTexture("resources/pbr/trooper_albedo.png"); mat.maps[(int)TexmapIndex.MAP_NORMAL].texture = LoadTexture("resources/pbr/trooper_normals.png");
mat.maps[(int)TexmapIndex.MAP_METALNESS].texture = LoadTexture("resources/pbr/trooper_metalness.png"); mat.maps[(int)TexmapIndex.MAP_METALNESS].texture = LoadTexture("resources/pbr/trooper_metalness.png");
mat.maps[(int)TexmapIndex.MAP_ROUGHNESS].texture = LoadTexture("resources/pbr/trooper_roughness.png"); mat.maps[(int)TexmapIndex.MAP_ROUGHNESS].texture = LoadTexture("resources/pbr/trooper_roughness.png");
mat.maps[(int)TexmapIndex.MAP_OCCLUSION].texture = LoadTexture("resources/pbr/trooper_ao.png"); mat.maps[(int)TexmapIndex.MAP_OCCLUSION].texture = LoadTexture("resources/pbr/trooper_ao.png");
@ -209,7 +177,9 @@ public partial class models_material_pbr
// Set environment maps // Set environment maps
const string PATH_CUBEMAP_VS = "resources/shaders/cubemap.vs"; // Path to equirectangular to cubemap vertex shader const string PATH_CUBEMAP_VS = "resources/shaders/cubemap.vs"; // Path to equirectangular to cubemap vertex shader
const string PATH_CUBEMAP_FS = "resources/shaders/cubemap.fs"; // Path to equirectangular to cubemap fragment shader const string PATH_CUBEMAP_FS = "resources/shaders/cubemap.fs"; // Path to equirectangular to cubemap fragment shader
const string PATH_CUBEMAP_FS = "resources/shaders/cubemap.fs"; const string PATH_SKYBOX_VS = "resources/shaders/skybox.vs"; // Path to skybox vertex shader
const string PATH_IRRADIANCE_FS = "resources/shaders/irradiance.fs"; // Path to irradiance (GI) calculation fragment shader
const string PATH_PREFILTER_FS = "resources/shaders/prefilter.fs"; // Path to reflection prefilter calculation fragment shader
const string PATH_BRDF_VS = "resources/shaders/brdf.vs"; // Path to bidirectional reflectance distribution function vertex shader const string PATH_BRDF_VS = "resources/shaders/brdf.vs"; // Path to bidirectional reflectance distribution function vertex shader
const string PATH_BRDF_FS = "resources/shaders/brdf.fs"; // Path to bidirectional reflectance distribution function fragment shader const string PATH_BRDF_FS = "resources/shaders/brdf.fs"; // Path to bidirectional reflectance distribution function fragment shader
@ -231,9 +201,66 @@ public partial class models_material_pbr
UnloadTexture(cubemap); UnloadTexture(cubemap);
UnloadTexture(texHDR); UnloadTexture(texHDR);
UnloadTexture(cubemap); // Unload already used shaders (to create specific textures)
UnloadTexture(texHDR); UnloadShader(shdrCubemap);
UnloadShader(shdrIrradiance);
UnloadShader(shdrPrefilter);
UnloadShader(shdrBRDF);
// Set textures filtering for better quality
SetTextureFilter(mat.maps[(int)TexmapIndex.MAP_ALBEDO].texture, (int)TextureFilterMode.FILTER_BILINEAR);
SetTextureFilter(mat.maps[(int)TexmapIndex.MAP_NORMAL].texture, (int)TextureFilterMode.FILTER_BILINEAR);
SetTextureFilter(mat.maps[(int)TexmapIndex.MAP_METALNESS].texture, (int)TextureFilterMode.FILTER_BILINEAR);
SetTextureFilter(mat.maps[(int)TexmapIndex.MAP_ROUGHNESS].texture, (int)TextureFilterMode.FILTER_BILINEAR);
SetTextureFilter(mat.maps[(int)TexmapIndex.MAP_OCCLUSION].texture, (int)TextureFilterMode.FILTER_BILINEAR);
// Enable sample usage in shader for assigned textures
SetShaderValuei(mat.shader, GetShaderLocation(mat.shader, "albedo.useSampler"), new int[] { 1 }, 1);
SetShaderValuei(mat.shader, GetShaderLocation(mat.shader, "normals.useSampler"), new int[] { 1 }, 1);
SetShaderValuei(mat.shader, GetShaderLocation(mat.shader, "metalness.useSampler"), new int[] { 1 }, 1);
SetShaderValuei(mat.shader, GetShaderLocation(mat.shader, "roughness.useSampler"), new int[] { 1 }, 1);
SetShaderValuei(mat.shader, GetShaderLocation(mat.shader, "occlusion.useSampler"), new int[] { 1 }, 1);
int renderModeLoc = GetShaderLocation(mat.shader, "renderMode");
SetShaderValuei(mat.shader, renderModeLoc, new int[] { 0 }, 1);
// Set up material properties color
mat.maps[(int)TexmapIndex.MAP_ALBEDO].color = albedo;
mat.maps[(int)TexmapIndex.MAP_NORMAL].color = new Color(128, 128, 255, 255);
mat.maps[(int)TexmapIndex.MAP_METALNESS].value = metalness;
mat.maps[(int)TexmapIndex.MAP_ROUGHNESS].value = roughness;
mat.maps[(int)TexmapIndex.MAP_OCCLUSION].value = 1.0f;
mat.maps[(int)TexmapIndex.MAP_EMISSION].value = 0.5f;
mat.maps[(int)TexmapIndex.MAP_HEIGHT].value = 0.5f;
return mat;
}
public static Light CreateLight(LightType type, Vector3 pos, Vector3 targ, Color color, Shader shader)
{
Light light = new Light();
if (lightsCount < MAX_LIGHTS)
{
light.enabled = true;
light.type = type;
light.position = pos;
light.target = targ;
light.color = color;
string enabledName = $"lights[{lightsCount}].enabled\0";
string typeName = $"lights[{lightsCount}].type\0";
string posName = $"lights[{lightsCount}].position\0";
string targetName = $"lights[{lightsCount}].target\0";
string colorName = $"lights[{lightsCount}].color\0";
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); UpdateLightValues(shader, light);
lightsCount++; lightsCount++;
} }