X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fviewchar.h;h=0cd026d9481827fa6f52584323a2994bbd975781;hb=4bb5686fffc24abdc4a722051ca066378cb8d419;hp=23cb8b77f86553206114a850527cd5bd83a17aaf;hpb=3d5597be2fd4b5d9ea3bf8863e15cc9bc8123755;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/viewchar.h b/shaders/viewchar.h
index 23cb8b7..0cd026d 100644
--- a/shaders/viewchar.h
+++ b/shaders/viewchar.h
@@ -39,7 +39,7 @@ static struct vg_shader _shader_viewchar = {
 "\n"
 "   vec3 world_pos = co0*a_weights[0] + co1*a_weights[1] + co2*a_weights[2];\n"
 "   vec3 world_normal = n0*a_weights[0] + n1*a_weights[1] + n2*a_weights[2];\n"
-"\n"
+"   \n"
 "   gl_Position = uPv * vec4( world_pos, 1.0 );\n"
 "   aColour = a_colour;\n"
 "   aUv = a_uv;\n"
@@ -55,6 +55,7 @@ static struct vg_shader _shader_viewchar = {
 "out vec4 FragColor;\n"
 "\n"
 "uniform sampler2D uTexMain;\n"
+"uniform vec3 uCamera;\n"
 "\n"
 "in vec4 aColour;\n"
 "in vec2 aUv;\n"
@@ -74,6 +75,7 @@ static struct vg_shader _shader_viewchar = {
 "   float g_water_fog;\n"
 "   int g_light_count;\n"
 "   int g_light_preview;\n"
+"   int g_shadow_samples;\n"
 "};\n"
 "\n"
 "uniform sampler2D g_world_depth;\n"
@@ -138,6 +140,11 @@ static struct vg_shader _shader_viewchar = {
 "\n"
 "vec3 do_light_shadowing( vec3 vfrag )\n"
 "{\n"
+"   if( g_shadow_samples == 0 )\n"
+"   {\n"
+"      return vfrag;\n"
+"   }\n"
+"\n"
 "   float fspread = g_light_colours[0].w;\n"
 "   vec3  vdir = g_light_directions[0].xyz;\n"
 "   float flength = g_light_directions[0].w;\n"
@@ -160,23 +167,26 @@ static struct vg_shader _shader_viewchar = {
 "   return mix( vfrag, vec3(0.55,0.76,1.0), min( 1.0, dist ) );\n"
 "}\n"
 "\n"
-"#line     12        0 \n"
+"#line     13        0 \n"
 "\n"
 "void main()\n"
 "{\n"
 "   vec3 vfrag = texture( uTexMain, aUv ).rgb;\n"
 "\n"
 "   // Lighting\n"
-"   //vec3 halfview = uCamera - aWorldCo;\n"
-"   //float fdist = length( halfview );\n"
-"   //halfview /= fdist;\n"
+"   vec3 halfview = uCamera - aWorldCo;\n"
+"   float fdist = length( halfview );\n"
+"   halfview /= fdist;\n"
+"\n"
+"   vec3 qnorm = normalize(floor(aNorm*2.0)*0.5) + vec3(0.001,0.0,0.0);\n"
 "\n"
-"   //vfrag = do_light_diffuse( vfrag, aNorm );\n"
-"   //vfrag = do_light_spec( vfrag, aNorm, halfview, 0.1 );\n"
-"   //vfrag = do_light_shadowing( vfrag );\n"
-"   //vfrag = apply_fog( vfrag, fdist );\n"
+"   vfrag = mix( vfrag, do_light_diffuse( vfrag, qnorm ), 0.5 );\n"
+"   //vfrag = do_light_spec( vfrag, qnorm, halfview, 0.1 );\n"
+"   vfrag = do_light_shadowing( vfrag );\n"
+"   vfrag = apply_fog( vfrag, fdist );\n"
 "\n"
-"   FragColor = vec4(vfrag,1.0);\n"
+"   float opacity = clamp( fdist, 0.1, 1.0 );\n"
+"   FragColor = vec4(vfrag,opacity);\n"
 "}\n"
 ""},
 };
@@ -184,6 +194,7 @@ static struct vg_shader _shader_viewchar = {
 static GLuint _uniform_viewchar_uPv;
 static GLuint _uniform_viewchar_uTransforms;
 static GLuint _uniform_viewchar_uTexMain;
+static GLuint _uniform_viewchar_uCamera;
 static GLuint _uniform_viewchar_g_world_depth;
 static void shader_viewchar_uPv(m4x4f m){
    glUniformMatrix4fv( _uniform_viewchar_uPv, 1, GL_FALSE, (float *)m );
@@ -191,6 +202,9 @@ static void shader_viewchar_uPv(m4x4f m){
 static void shader_viewchar_uTexMain(int i){
    glUniform1i( _uniform_viewchar_uTexMain, i );
 }
+static void shader_viewchar_uCamera(v3f v){
+   glUniform3fv( _uniform_viewchar_uCamera, 1, v );
+}
 static void shader_viewchar_g_world_depth(int i){
    glUniform1i( _uniform_viewchar_g_world_depth, i );
 }
@@ -202,6 +216,7 @@ static void shader_viewchar_link(void){
    _uniform_viewchar_uPv = glGetUniformLocation( _shader_viewchar.id, "uPv" );
    _uniform_viewchar_uTransforms = glGetUniformLocation( _shader_viewchar.id, "uTransforms" );
    _uniform_viewchar_uTexMain = glGetUniformLocation( _shader_viewchar.id, "uTexMain" );
+   _uniform_viewchar_uCamera = glGetUniformLocation( _shader_viewchar.id, "uCamera" );
    _uniform_viewchar_g_world_depth = glGetUniformLocation( _shader_viewchar.id, "g_world_depth" );
 }
 #endif /* SHADER_viewchar_H */