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Code Issues 123 Wiki Activity

shadow changes

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This commit is contained in:
VB
2017-07-03 12:10:21 +02:00
parent 2b51d8229e
commit 689ad7206e
5 changed files with 91 additions and 24 deletions
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15
EU07.cpp
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@@ -298,15 +298,16 @@ int main(int argc, char *argv[])
::SendMessage( Hwnd, WM_SETICON, ICON_SMALL, reinterpret_cast<LPARAM>( icon ) );
#endif
if ((false == GfxRenderer.Init(window))
|| (false == UILayer.init(window)))
return -1;
try {
if ((false == GfxRenderer.Init(window))
|| (false == UILayer.init(window)))
return -1;
input::Keyboard.init();
input::Gamepad.init();
input::Keyboard.init();
input::Gamepad.init();
Global::pWorld = &World; // Ra: wskaźnik potrzebny do usuwania pojazdów
Global::pWorld = &World; // Ra: wskaźnik potrzebny do usuwania pojazdów
try {
if( false == World.Init( window ) ) {
ErrorLog( "Failed to init TWorld" );
return -1;

9
Globals.cpp
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@@ -150,6 +150,7 @@ double Global::fFpsRadiusMax = 3000.0; // maksymalny promień renderowania
int Global::iFpsRadiusMax = 225; // maksymalny promień renderowania
double Global::fRadiusFactor = 1.1; // współczynnik jednorazowej zmiany promienia scenerii
bool Global::bOldSmudge = false; // Używanie starej smugi
Global::shadowtune_t Global::shadowtune = { 8192, 200.0f, 150.0f, 100.0f };
// parametry testowe (do testowania scenerii i obiektów)
bool Global::bWireFrame = false;
@@ -536,6 +537,14 @@ void Global::ConfigParse(cParser &Parser)
Parser.getTokens();
Parser >> Global::ScaleSpecularValues;
}
else if (token == "shadowtune")
{
Parser.getTokens(4, false);
Parser >> Global::shadowtune.map_size;
Parser >> Global::shadowtune.width;
Parser >> Global::shadowtune.depth;
Parser >> Global::shadowtune.distance;
}
else if (token == "smoothtraction")
{
// podwójna jasność ambient

8
Globals.h
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@@ -283,6 +283,14 @@ class Global
static bool bHideConsole; // hunter-271211: ukrywanie konsoli
static bool bOldSmudge; // Używanie starej smugi
static struct shadowtune_t
{
unsigned int map_size;
float width;
float depth;
float distance;
} shadowtune;
static TWorld *pWorld; // wskaźnik na świat do usuwania pojazdów
static TAnimModel *pTerrainCompact; // obiekt terenu do ewentualnego zapisania w pliku
static std::string asTerrainModel; // nazwa obiektu terenu do zapisania w pliku

29
renderer.cpp
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@@ -113,11 +113,14 @@ opengl_renderer::Init( GLFWwindow *Window ) {
glGenTextures(1, &depth_tex);
glBindTexture(GL_TEXTURE_2D, depth_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT,
1024, 1024, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
Global::shadowtune.map_size, Global::shadowtune.map_size, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
float borderColor[] = { 1.0f, 1.0f, 1.0f, 1.0f };
glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, depth_tex);
@@ -174,12 +177,13 @@ opengl_renderer::Render() {
if( World.InitPerformed() ) {
glDebug("rendering shadow map");
glDisable(GL_FRAMEBUFFER_SRGB);
glViewport(0, 0, 1024, 1024);
glViewport(0, 0, Global::shadowtune.map_size, Global::shadowtune.map_size);
glm::mat4 depthproj = glm::ortho(-10.0f, 10.0f, -10.0f, 10.0f, 0.1f, 100.0f);
glm::mat4 depthproj = glm::ortho(-Global::shadowtune.width, Global::shadowtune.width,
-Global::shadowtune.width, Global::shadowtune.width, 0.0f, Global::shadowtune.depth);
glm::vec3 playerpos = glm::vec3(World.Camera.Pos.x, World.Camera.Pos.y, World.Camera.Pos.z);
glm::vec3 shadoweye = playerpos - Global::daylight.direction * 50.0f;
Global::SetCameraPosition(Math3D::vector3(shadoweye));
glm::vec3 shadoweye = playerpos - Global::daylight.direction * Global::shadowtune.distance;
Global::SetCameraPosition(Math3D::vector3(0.0f, 0.0f, 0.0f));
glm::mat4 depthcam = glm::lookAt(shadoweye,
playerpos,
glm::vec3(0.0f, 1.0f, 0.0f));
@@ -187,7 +191,7 @@ opengl_renderer::Render() {
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(glm::value_ptr(depthproj));
glMatrixMode(GL_MODELVIEW);
glMultMatrixf(glm::value_ptr(glm::mat4(glm::mat3(depthcam))));
glMultMatrixf(glm::value_ptr(depthcam));
glBindFramebuffer(GL_FRAMEBUFFER, depth_fbo);
glClear(GL_DEPTH_BUFFER_BIT);
@@ -209,7 +213,7 @@ opengl_renderer::Render() {
glm::dmat4 worldcamera;
World.Camera.SetMatrix( worldcamera );
m_camera.update_frustum( OpenGLMatrices.data( GL_PROJECTION ), worldcamera);
::glMultMatrixd(glm::value_ptr(glm::dmat4(glm::dmat3(worldcamera))));
::glMultMatrixd(glm::value_ptr(worldcamera));
shader.bind(); active_shader = &shader;
glDebug("rendering environment");
glDisable(GL_FRAMEBUFFER_SRGB);
@@ -217,7 +221,8 @@ opengl_renderer::Render() {
glDebug("rendering world");
glEnable(GL_FRAMEBUFFER_SRGB);
shader.set_lightview(depthproj * depthcam); //to jest źle. nie uwzględnia przesunięcia to wiadomo, ale obrót też jest źle
Global::SetCameraPosition(Math3D::vector3(0.0f, 0.0f, 0.0f));
shader.set_lightview(depthproj * depthcam * glm::inverse(glm::mat4(worldcamera)));
Render( &World.Ground );
glDebug("rendering cab");

54
shaders/blinnphong.frag
View File

@@ -28,7 +28,7 @@ in vec4 f_light_pos;
out vec4 color;
uniform sampler2D tex;
uniform sampler2D shadowmap;
uniform sampler2DShadow shadowmap;
uniform vec3 ambient;
uniform vec3 emission;
@@ -39,13 +39,57 @@ uniform float specular;
uniform light_s lights[8];
uniform uint lights_count;
vec2 poissonDisk[16] = vec2[](
vec2( -0.94201624, -0.39906216 ),
vec2( 0.94558609, -0.76890725 ),
vec2( -0.094184101, -0.92938870 ),
vec2( 0.34495938, 0.29387760 ),
vec2( -0.91588581, 0.45771432 ),
vec2( -0.81544232, -0.87912464 ),
vec2( -0.38277543, 0.27676845 ),
vec2( 0.97484398, 0.75648379 ),
vec2( 0.44323325, -0.97511554 ),
vec2( 0.53742981, -0.47373420 ),
vec2( -0.26496911, -0.41893023 ),
vec2( 0.79197514, 0.19090188 ),
vec2( -0.24188840, 0.99706507 ),
vec2( -0.81409955, 0.91437590 ),
vec2( 0.19984126, 0.78641367 ),
vec2( 0.14383161, -0.14100790 )
);
float random(vec3 seed, int i)
{
vec4 seed4 = vec4(seed,i);
float dot_product = dot(seed4, vec4(12.9898,78.233,45.164,94.673));
return fract(sin(dot_product) * 43758.5453);
}
float calc_shadow()
{
vec3 coords = f_light_pos.xyz / f_light_pos.w;
vec3 coords = f_light_pos.xyz;// / f_light_pos.w;
coords = coords * 0.5 + 0.5;
float closest_depth = texture(shadowmap, coords.xy).r;
float current_depth = coords.z;
float shadow = (current_depth - 0.1) > closest_depth ? 0.0 : 1.0;
float bias = 0.005;
//PCF
//float shadow = texture(shadowmap, vec3(coords.xy, coords.z - bias));
//PCF + stratified poisson sampling
//float shadow = 1.0;
//for (int i=0;i<4;i++)
//{
// int index = int(16.0*random(gl_FragCoord.xyy, i))%16;
// shadow -= 0.25*(1.0-texture(shadowmap, vec3(coords.xy + poissonDisk[index]/5000.0, coords.z - bias)));
//}
//PCF + PCF
float shadow = 0.0;
vec2 texel = 1.0 / textureSize(shadowmap, 0);
for (float y = -1.5; y <= 1.5; y += 1.0)
for (float x = -1.5; x <= 1.5; x += 1.0)
shadow += texture(shadowmap, coords.xyz + vec3(vec2(x, y) * texel, -bias));
shadow /= 16.0;
return shadow;
}