LGram16
dd97ddec92
Move git root from Client/ to src/ to track all source code: - Client: Game client source (moved to Client/Client/) - Server: Game server source - GameTools: Development tools - CryptoSource: Encryption utilities - database: Database scripts - Script: Game scripts - rylCoder_16.02.2008_src: Legacy coder tools - GMFont, Game: Additional resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
220 lines
3.9 KiB
GLSL
220 lines
3.9 KiB
GLSL
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;#define CV_ZERO 0
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;#define CV_ONE 1
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;#define CV_WORLDVIEWPROJ_0 2
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;#define CV_WORLDVIEWPROJ_1 3
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;#define CV_WORLDVIEWPROJ_2 4
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;#define CV_WORLDVIEWPROJ_3 5
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;#define CV_WORLDVIEW_0 6
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;#define CV_WORLDVIEW_1 7
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;#define CV_WORLDVIEW_2 8
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;#define CV_WORLDVIEW_3 9
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;#define CV_WORLDVIEWIT_0 10
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;#define CV_WORLDVIEWIT_1 11
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;#define CV_WORLDVIEWIT_2 12
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;#define CV_WORLD_0 13
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;#define CV_WORLD_1 14
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;#define CV_WORLD_2 15
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;#define CV_WORLD_3 16
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;#define CV_HALF 18
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;#define CV_LIGHT_COLOR 19
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;#define CV_ONE_OVER_LIGHT_RANGE 20
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;#define CV_LIGHT_DIRECTION 21
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;#define CV_LIGHT_POSITION 22
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;#define CV_BUMP_SCALE 23
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;#define CV_EYE_POS_WORLD 24
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;#define V_POSITION v0
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;#define V_NORMAL v1
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;#define V_DIFFUSE v2
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;#define V_TEXTURE v3
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;#define V_SxT v4
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;#define V_S v5
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;#define V_T v6
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;#define S_WORLD r0
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;#define T_WORLD r1
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;#define SxT_WORLD r2
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;#define LIGHT_LOCAL r3
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;#define VERTEX_WORLD r4
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;#define EYE_VECTOR r5
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;#define HALF_ANGLE r7
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vs.1.0
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; Transform position to clip space and output it
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dp4 oPos.x, v0, c[2]
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dp4 oPos.y, v0, c[3]
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dp4 oPos.z, v0, c[4]
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dp4 oPos.w, v0, c[5]
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; Get V
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;mul r8.xyz, v5.yzx,v1.zxy
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;mad r8.xyz, -v1.yzx, v5.zxy, r8.xyz
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;dp3 r8.w, r8, r8
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;rsq r8.w, r8.w
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;mul r8, r8, r8.w
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; Transform basis vectors to world space
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dp3 r0.x, v5, c[13]
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dp3 r0.y, v5, c[14]
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dp3 r0.z, v5, c[15]
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dp3 r1.x, v6, c[13]
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dp3 r1.y, v6, c[14]
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dp3 r1.z, v6, c[15]
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dp3 r2.x, v1, c[13]
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dp3 r2.y, v1, c[14]
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dp3 r2.z, v1, c[15]
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mul r0.xyz, r0.xyz, c[23].w
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mul r1.xyz, r1.xyz, c[23].w
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; transform light by basis vectors to put it
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; into texture space
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dp3 r3.x, r0.xyz, c[21]
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dp3 r3.y, r1.xyz, c[21]
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dp3 r3.z, r2.xyz, c[21]
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; Normalize the light vector
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dp3 r3.w, r3, r3
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rsq r3.w, r3.w
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mul r3, r3, r3.w
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/////////////////////////////////////
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// Calculate half angle vector
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// transform vertex position to world space
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// to calculate V, vector to viewer in world
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// space.
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dp4 r4.x, v0, c[13]
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dp4 r4.y, v0, c[14]
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dp4 r4.z, v0, c[15]
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; Half angle vector is (L+V)/||L+V|| or Normalize( L+V )
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; ||a|| is magnitude of a
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; L = vec to light from vertex point
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; V = vec to viewer from vertex point
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// vertex position - eye position
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// eye position - vertex position
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add r5, c[ 24 ], -r4.xyz
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; Normalize eye vec
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dp3 r5.w, r5, r5
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rsq r5.w, r5.w
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mul r5, r5, r5.w
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// Add them to average & create half angle vector
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add r7, c[21], r5
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; Normalize it
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dp3 r7.w, r7, r7
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rsq r7.w, r7.w
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mul r7, r7, r7.w
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/////////////////////////////////////////////////
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; Transform half angle vector to local space and
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; output to tex coord set 3 for specular calc
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// Write result to a temporary r2 and use 1 extra
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// instruction for the mov so that we can output
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// it to diffuse color also. Normaly, you should
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// write the result directly to oTn and save yourself
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// the mov instruction
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;dp3 r2.x, r7, r0
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;dp3 r2.y, r7, r1
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;dp3 r2.z, r7, r2
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;mov r2.w, c[ 1 ]
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;mov oT3.x, r2.x
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;mov oT3.y, r2.y
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;mov oT3.z, r2.z
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;mov oT3.w, r2.w
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//@@@@@@@@@
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;mov oT3.xyz, r2.xyz
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;mov oT3.w, c[ 1 ]
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;dp3 r2.x, r7, r0
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;dp3 r2.y, r7, r1
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;dp3 r2.z, r7, r2
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;mov r2.w, c[ 1 ]
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;mov oT3.xyzw, r2.xyzw
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;dp3 r2.x, r7, r0
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;dp3 r2.y, r7, r1
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;dp3 r2.z, r7, r2
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;mov r2.w, c[ 1 ]
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;mov oT3.xyzw, r2.xyzw
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dp3 oT3.x, r7, r0
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dp3 oT3.y, r7, r1
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dp3 oT3.z, r7, r2
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mov oT3.w, c[ 1 ]
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/////////////////////////////////////
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// move light vector to TC 2
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mov oT2, r3
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mov oT2.w, c[1].w // w to 0
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; output tex coords
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mov oT0, v3
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mov oT1, v3
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//////////////////////////////////////////////
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// Additional output of light vector to
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// diffuse color for visualization in the
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// demo
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;mul r1, r3, c[18]
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;add oD0, r1, c[18]
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//////////////////////////////////////////////
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// move half angle vector to unsigned diffuse
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// color for visualization in the demo
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// Bias from [-1,1] to the range [0,1]
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//@@@@@@@@@ turn this off - debug only!
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dp3 r2.x, r7, r0
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dp3 r2.y, r7, r1
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dp3 r2.z, r7, r2
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mov r2.w, c[ 1 ]
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mul r2, r2, c[18]
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add oD0, r2, c[18]
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//////////////////////////////////////////////
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