Merge branch 'ints' into terrain

Conflicts fix, compiles, some test failures remain.
Trees not added, possibility of OM invalid handle assertion failures,
normals broken due to integer overflow in Newell's method.

17 files changed, 33 insertions, 15 deletions

diff --git a/gfx/gl/shaders/commonPoint.glsl b/gfx/gl/shaders/commonPoint.glsl
index 35510e1..046da27 100644
--- a/gfx/gl/shaders/commonPoint.glsl
+++ b/gfx/gl/shaders/commonPoint.glsl
@@ -24,5 +24,5 @@ main()
 	Colour = colour;
 	Material = getMaterialDetail(material);
 
-	gl_Position = viewProjection * worldPos;
+	gl_Position = viewProjection * vec4(FragPos - viewPoint + modelPos, 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/dynamicPoint.vs b/gfx/gl/shaders/dynamicPoint.vs
index 961535c..667f247 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 vec3 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..adf39bd 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 vec3 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..6e1ab49 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 vec3 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..9865d11 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;
diff --git a/gfx/gl/shaders/pointLight.fs b/gfx/gl/shaders/pointLight.fs
index bd32c05..1a68df8 100644
--- a/gfx/gl/shaders/pointLight.fs
+++ b/gfx/gl/shaders/pointLight.fs
@@ -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..ec089f5 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 vec3 viewPoint;
 
 in vec3 centre[];
 in float size[];
diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs
index 35682fa..7694a25 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 vec3 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..e20d31a 100644
--- a/gfx/gl/shaders/shadowDynamicPoint.vs
+++ b/gfx/gl/shaders/shadowDynamicPoint.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform vec3 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..ab3e976 100644
--- a/gfx/gl/shaders/shadowDynamicPointInst.vs
+++ b/gfx/gl/shaders/shadowDynamicPointInst.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform vec3 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..a9fb4a3 100644
--- a/gfx/gl/shaders/shadowFixedPoint.vs
+++ b/gfx/gl/shaders/shadowFixedPoint.vs
@@ -3,6 +3,8 @@
 include(`meshIn.glsl')
 
 uniform mat4 viewProjection;
+uniform vec3 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..78b8f72 100644
--- a/gfx/gl/shaders/spotLight.fs
+++ b/gfx/gl/shaders/spotLight.fs
@@ -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..0529614 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 vec3 viewPoint;
 uniform float arc;
 
 in vec3 position[];
diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
index dca0854..08197a4 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 vec3 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..2ccc924 100644
--- a/gfx/gl/shaders/water.fs
+++ b/gfx/gl/shaders/water.fs
@@ -13,5 +13,5 @@ main()
 	gPosition = vec4(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..03eabb2 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 viewPoint;
 uniform vec3 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.x) * 1000.0), position.y + (cos(waves.x * waves.y / 2) * 1000.0),
+			cos(waves.x + (position.x / 1000.0) + (position.y * 125.0)) * 300.0);
 
 	FragPos = vec3(wpos.xy, position.z);
 	TexCoords = texCoord;
 	Normal = normal;
 
-	gl_Position = viewProjection * wpos;
+	gl_Position = viewProjection * vec4(wpos - viewPoint, 1.0);
 }