Merge remote-tracking branch 'origin/terrain'

20 files changed, 46 insertions, 30 deletions

diff --git a/gfx/gl/shaders/commonPoint.glsl b/gfx/gl/shaders/commonPoint.glsl
index 35510e1..a9817fb 100644
--- a/gfx/gl/shaders/commonPoint.glsl
+++ b/gfx/gl/shaders/commonPoint.glsl
@@ -16,13 +16,11 @@ getMaterialDetail(uint midx)
 void
 main()
 {
-	vec4 worldPos = model * vec4(position, 1.0);
-
-	FragPos = worldPos.xyz;
+	FragPos = (model * vec4(position, 1.0)).xyz + modelPos;
 	TexCoords = texCoord;
 	Normal = (model * vec4(normal, 0.0)).xyz;
 	Colour = colour;
 	Material = getMaterialDetail(material);
 
-	gl_Position = viewProjection * worldPos;
+	gl_Position = viewProjection * vec4(FragPos - viewPoint, 1);
 }
diff --git a/gfx/gl/shaders/commonShadowPoint.glsl b/gfx/gl/shaders/commonShadowPoint.glsl
index c7cbd3e..216642e 100644
--- a/gfx/gl/shaders/commonShadowPoint.glsl
+++ b/gfx/gl/shaders/commonShadowPoint.glsl
@@ -1,6 +1,7 @@
 void
 main()
 {
-	gl_Position = viewProjection * model * vec4(position, 1.0);
+	vec4 worldPos = model * vec4(position, 1.0);
+	gl_Position = viewProjection * vec4(worldPos.xyz - viewPoint + modelPos, 1);
 	gl_Position.z = max(gl_Position.z, -1);
 }
diff --git a/gfx/gl/shaders/directionalLight.fs b/gfx/gl/shaders/directionalLight.fs
index ca10ef5..f36d83f 100644
--- a/gfx/gl/shaders/directionalLight.fs
+++ b/gfx/gl/shaders/directionalLight.fs
@@ -7,12 +7,13 @@ out vec3 FragColor;
 
 in vec2 TexCoords;
 
-layout(binding = 0) uniform sampler2D gPosition;
+layout(binding = 0) uniform isampler2D gPosition;
 layout(binding = 1) uniform sampler2D gNormal;
 layout(binding = 2) uniform sampler2D shadowMap;
 
 uniform vec3 lightDirection;
 uniform vec3 lightColour;
+uniform ivec3 lightPoint;
 uniform mat4 lightViewProjection[MAX_MAPS];
 uniform vec4 shadowMapRegion[MAX_MAPS];
 uniform uint lightViewProjectionCount;
@@ -27,10 +28,10 @@ insideShadowCube(vec3 v)
 }
 
 float
-isShaded(vec3 Position)
+isShaded(vec4 Position)
 {
 	for (uint m = 0u; m < lightViewProjectionCount; m++) {
-		vec3 PositionInLightSpace = (lightViewProjection[m] * vec4(Position, 1.0f)).xyz;
+		const vec3 PositionInLightSpace = (lightViewProjection[m] * Position).xyz;
 		const float inside = insideShadowCube(PositionInLightSpace);
 		if (inside > 0) {
 			const float lightSpaceDepth
@@ -44,7 +45,7 @@ isShaded(vec3 Position)
 void
 main()
 {
-	const vec3 Position = texture(gPosition, TexCoords).xyz;
+	const vec4 Position = vec4(texture(gPosition, TexCoords).xyz - lightPoint, 1);
 	const vec3 Normal = texture(gNormal, TexCoords).rgb;
 	const float shaded = isShaded(Position);
 	FragColor = (1 - shaded) * max(dot(-lightDirection, Normal) * lightColour, 0);
diff --git a/gfx/gl/shaders/dynamicPoint.vs b/gfx/gl/shaders/dynamicPoint.vs
index 961535c..097cd11 100644
--- a/gfx/gl/shaders/dynamicPoint.vs
+++ b/gfx/gl/shaders/dynamicPoint.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
 include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 uniform mat4 model;
+uniform ivec3 modelPos;
 
 include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/dynamicPointInst.vs b/gfx/gl/shaders/dynamicPointInst.vs
index 2d6cee5..529fe1d 100644
--- a/gfx/gl/shaders/dynamicPointInst.vs
+++ b/gfx/gl/shaders/dynamicPointInst.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
 include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 layout(location = 5) in mat4 model;
+layout(location = 9) in ivec3 modelPos;
 
 include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/fixedPoint.vs b/gfx/gl/shaders/fixedPoint.vs
index ed78c96..3cea737 100644
--- a/gfx/gl/shaders/fixedPoint.vs
+++ b/gfx/gl/shaders/fixedPoint.vs
@@ -5,6 +5,8 @@ include(`meshIn.glsl')
 include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 const mat4 model = mat4(1);
+const vec3 modelPos = ivec3(0);
 
 include(`commonPoint.glsl')
diff --git a/gfx/gl/shaders/landmass.fs b/gfx/gl/shaders/landmass.fs
index 4dc92bb..fc43bf2 100644
--- a/gfx/gl/shaders/landmass.fs
+++ b/gfx/gl/shaders/landmass.fs
@@ -11,9 +11,9 @@ const vec3 rock = vec3(.2, .2, .1);
 const vec3 sand = vec3(.76, .7, .5);
 const vec3 snow = vec3(.97, .97, .99);
 
-const float beachline = .5;
-const float snowline_low = 28;
-const float snowline_high = 30;
+const float beachline = 500;
+const float snowline_low = 28000;
+const float snowline_high = 30000;
 
 const float slope_min = .99;
 const float slope_mid = .95;
@@ -60,7 +60,7 @@ main()
 		}
 	}
 
-	gPosition = vec4(FragPos, 1);
+	gPosition = ivec4(FragPos, 1);
 	gNormal = vec4(Normal, 1);
 	gAlbedoSpec = vec4(color, 1);
 }
diff --git a/gfx/gl/shaders/material.fs b/gfx/gl/shaders/material.fs
index 20fa8ab..5b93707 100644
--- a/gfx/gl/shaders/material.fs
+++ b/gfx/gl/shaders/material.fs
@@ -42,7 +42,7 @@ main()
 {
 	vec4 textureColour = getTextureColour(Material, TexCoords);
 	float opaque = step(0.5, mix(textureColour.a, 1, Colour.a));
-	gPosition = vec4(FragPos, opaque);
+	gPosition = ivec4(FragPos, opaque);
 	gNormal = vec4(Normal, opaque);
 	gl_FragDepth = mix(1.0, gl_FragCoord.z, opaque);
 	gAlbedoSpec = mix(textureColour, vec4(Colour.rgb, 1), Colour.a);
diff --git a/gfx/gl/shaders/materialOut.glsl b/gfx/gl/shaders/materialOut.glsl
index dc5f8e8..846825e 100644
--- a/gfx/gl/shaders/materialOut.glsl
+++ b/gfx/gl/shaders/materialOut.glsl
@@ -1,3 +1,3 @@
-layout(location = 0) out vec4 gPosition;
+layout(location = 0) out ivec4 gPosition;
 layout(location = 1) out vec4 gNormal;
 layout(location = 2) out vec4 gAlbedoSpec;
diff --git a/gfx/gl/shaders/pointLight.fs b/gfx/gl/shaders/pointLight.fs
index bd32c05..ba327b6 100644
--- a/gfx/gl/shaders/pointLight.fs
+++ b/gfx/gl/shaders/pointLight.fs
@@ -3,7 +3,7 @@
 
 out vec3 FragColor;
 
-layout(binding = 0) uniform sampler2D gPosition;
+layout(binding = 0) uniform isampler2D gPosition;
 layout(binding = 1) uniform sampler2D gNormal;
 uniform ivec4 viewPort;
 uniform vec3 colour;
@@ -26,5 +26,5 @@ main()
 	if (normalDot < 0) {
 		discard;
 	}
-	FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2)));
+	FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2)));
 }
diff --git a/gfx/gl/shaders/pointLight.gs b/gfx/gl/shaders/pointLight.gs
index 03d131d..9c41ed4 100644
--- a/gfx/gl/shaders/pointLight.gs
+++ b/gfx/gl/shaders/pointLight.gs
@@ -19,6 +19,7 @@ const vec3[] cube = vec3[]( // http://www.cs.umd.edu/gvil/papers/av_ts.pdf
 		vec3(1, 1, -1) // Back-top-right
 );
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 
 in vec3 centre[];
 in float size[];
diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs
index 35682fa..00a34a3 100644
--- a/gfx/gl/shaders/pointLight.vs
+++ b/gfx/gl/shaders/pointLight.vs
@@ -4,6 +4,7 @@ layout(location = 0) in vec3 position;
 
 uniform vec3 colour;
 uniform float kq;
+uniform ivec3 viewPoint;
 
 out vec3 centre;
 out float size;
@@ -12,6 +13,6 @@ void
 main()
 {
 	centre = position;
-	size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
-	gl_Position = vec4(centre, 0);
+	size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+	gl_Position = vec4(centre - viewPoint, 0);
 }
diff --git a/gfx/gl/shaders/shadowDynamicPoint.vs b/gfx/gl/shaders/shadowDynamicPoint.vs
index f3ed533..f21b3b6 100644
--- a/gfx/gl/shaders/shadowDynamicPoint.vs
+++ b/gfx/gl/shaders/shadowDynamicPoint.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 uniform mat4 model;
+uniform ivec3 modelPos;
 
 include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/shadowDynamicPointInst.vs b/gfx/gl/shaders/shadowDynamicPointInst.vs
index 1bf74ef..28a62d9 100644
--- a/gfx/gl/shaders/shadowDynamicPointInst.vs
+++ b/gfx/gl/shaders/shadowDynamicPointInst.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 layout(location = 5) in mat4 model;
+layout(location = 9) in ivec3 modelPos;
 
 include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/shadowFixedPoint.vs b/gfx/gl/shaders/shadowFixedPoint.vs
index 8921707..168d5f1 100644
--- a/gfx/gl/shaders/shadowFixedPoint.vs
+++ b/gfx/gl/shaders/shadowFixedPoint.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 const mat4 model = mat4(1);
+const ivec3 modelPos = ivec3(0);
 
 include(`commonShadowPoint.glsl')
diff --git a/gfx/gl/shaders/spotLight.fs b/gfx/gl/shaders/spotLight.fs
index add86fd..937f922 100644
--- a/gfx/gl/shaders/spotLight.fs
+++ b/gfx/gl/shaders/spotLight.fs
@@ -3,7 +3,7 @@
 
 out vec3 FragColor;
 
-layout(binding = 0) uniform sampler2D gPosition;
+layout(binding = 0) uniform isampler2D gPosition;
 layout(binding = 1) uniform sampler2D gNormal;
 uniform ivec4 viewPort;
 uniform vec3 colour;
@@ -30,5 +30,5 @@ main()
 	if (normalDot < 0) {
 		discard;
 	}
-	FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2)));
+	FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2)));
 }
diff --git a/gfx/gl/shaders/spotLight.gs b/gfx/gl/shaders/spotLight.gs
index ad65675..b58c169 100644
--- a/gfx/gl/shaders/spotLight.gs
+++ b/gfx/gl/shaders/spotLight.gs
@@ -10,6 +10,7 @@ const vec3[] pyramid = vec3[]( // four-sided
 		vec3(1, -1, 1) // Front-right
 );
 uniform mat4 viewProjection;
+uniform ivec3 viewPoint;
 uniform float arc;
 
 in vec3 position[];
diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
index dca0854..ac1d1db 100644
--- a/gfx/gl/shaders/spotLight.vs
+++ b/gfx/gl/shaders/spotLight.vs
@@ -6,6 +6,7 @@ uniform vec3 v_direction;
 uniform vec3 colour;
 uniform float kq;
 uniform float arc;
+uniform ivec3 viewPoint;
 
 out vec3 position;
 out vec3 direction;
@@ -17,7 +18,7 @@ main()
 {
 	position = v_position;
 	direction = normalize(v_direction);
-	size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+	size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
 	cosarc = cos(arc / 2);
-	gl_Position = vec4(position, 0);
+	gl_Position = vec4(position - viewPoint, 0);
 }
diff --git a/gfx/gl/shaders/water.fs b/gfx/gl/shaders/water.fs
index 04aa94c..8891733 100644
--- a/gfx/gl/shaders/water.fs
+++ b/gfx/gl/shaders/water.fs
@@ -5,13 +5,12 @@ include(`materialInterface.glsl')
 include(`materialOut.glsl')
 
 uniform sampler2D texture0;
-uniform vec3 waves;
 
 void
 main()
 {
-	gPosition = vec4(FragPos, 1);
+	gPosition = ivec4(FragPos, 1);
 	gNormal = vec4(Normal, 1);
 	gAlbedoSpec = texture(texture0, TexCoords);
-	gAlbedoSpec.a *= clamp(-FragPos.z * .7, .1, 1.0);
+	gAlbedoSpec.a *= clamp(-FragPos.z * .0007, .1, 1.0);
 }
diff --git a/gfx/gl/shaders/water.vs b/gfx/gl/shaders/water.vs
index a21b49f..f6c7c8f 100644
--- a/gfx/gl/shaders/water.vs
+++ b/gfx/gl/shaders/water.vs
@@ -4,17 +4,18 @@ include(`meshIn.glsl')
 include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
-uniform vec3 waves;
+uniform ivec3 viewPoint;
+uniform float waves;
 
 void
 main()
 {
-	vec4 wpos = vec4(position.x + cos(waves.x), position.y + cos(waves.x * waves.y / 2),
-			cos(waves.x + position.x + (position.y / 8)) * .3, 1.0);
+	vec3 wpos = vec3(position.x + (cos(waves) * 1000.0), position.y + (cos(waves * 0 / 2) * 1000.0),
+			cos(waves + (position.x / 1000000.0) + (position.y / 8000.0)) * 300.0);
 
 	FragPos = vec3(wpos.xy, position.z);
 	TexCoords = texCoord;
 	Normal = normal;
 
-	gl_Position = viewProjection * wpos;
+	gl_Position = viewProjection * vec4(wpos - viewPoint, 1.0);
 }