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https://gitlab.com/veloren/veloren.git
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243 lines
8.8 KiB
GLSL
243 lines
8.8 KiB
GLSL
#version 330 core
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#include <constants.glsl>
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#define LIGHTING_TYPE LIGHTING_TYPE_REFLECTION
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#define LIGHTING_REFLECTION_KIND LIGHTING_REFLECTION_KIND_GLOSSY
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#define LIGHTING_TRANSPORT_MODE LIGHTING_TRANSPORT_MODE_IMPORTANCE
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#define LIGHTING_DISTRIBUTION_SCHEME LIGHTING_DISTRIBUTION_SCHEME_MICROFACET
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#define LIGHTING_DISTRIBUTION LIGHTING_DISTRIBUTION_BECKMANN
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#include <globals.glsl>
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#include <srgb.glsl>
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#include <sky.glsl>
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layout(location = 0) in vec3 v_pos;
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layout(location = 1) in uint v_atlas_pos;
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// in uint v_col;
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layout(location = 2) in uint v_norm_ao;
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layout(location = 3) in uint inst_pos_ori;
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layout(location = 4) in vec4 inst_mat0;
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layout(location = 5) in vec4 inst_mat1;
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layout(location = 6) in vec4 inst_mat2;
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layout(location = 7) in vec4 inst_mat3;
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layout(location = 8) in vec4 inst_light;
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layout(location = 9) in float inst_wind_sway;
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struct SpriteLocals {
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mat4 mat;
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vec4 wind_sway;
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vec4 offs;
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};
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layout(std140, set = 2, binding = 0)
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uniform u_locals {
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mat4 mat;
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vec4 wind_sway;
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vec4 offs;
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// SpriteLocals sprites[8];
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};
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// struct Instance {
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// mat4 inst_mat;
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// vec3 inst_col;
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// float inst_wind_sway;
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// };
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//
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// layout (std140)
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// uniform u_ibuf {
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// Instance sprite_instances[/*MAX_LAYER_FACES*/512];
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// };
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//struct ShadowLocals {
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// mat4 shadowMatrices;
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// mat4 texture_mat;
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//};
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//
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//layout (std140)
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//uniform u_light_shadows {
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// ShadowLocals shadowMats[/*MAX_LAYER_FACES*/192];
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//};
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layout (std140, set = 1, binding = 0)
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uniform u_terrain_locals {
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vec3 model_offs;
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float load_time;
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ivec4 atlas_offs;
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};
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layout(location = 0) out vec3 f_pos;
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layout(location = 1) flat out vec3 f_norm;
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layout(location = 2) flat out float f_select;
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// flat out vec3 f_pos_norm;
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// out vec3 f_col;
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// out float f_ao;
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layout(location = 3) out vec2 f_uv_pos;
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layout(location = 4) out vec2 f_inst_light;
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// flat out uint f_atlas_pos;
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// out vec3 light_pos[2];
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// out float f_light;
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const float SCALE = 1.0 / 11.0;
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const float SCALE_FACTOR = pow(SCALE, 1.3) * 0.2;
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const int EXTRA_NEG_Z = 32768;
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void main() {
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// vec3 inst_chunk_pos = vec3(ivec3((uvec3(inst_pos_ori) >> uvec3(0, 6, 12)) & uvec3(0x3Fu, 0x3Fu, 0xFFFFu)) - ivec3(0, 0, EXTRA_NEG_Z));
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// uint inst_ori = (inst_pos_ori >> 29) & 0x7u;
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// SpriteLocals locals = sprites[inst_ori];
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// SpriteLocals locals = sprites;
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// mat4 inst_mat = locals.mat;
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// float inst_wind_sway = locals.wind_sway.w;
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// mat4 inst_mat = mat4(vec4(1, 0, 0, 0), vec4(0, 1, 0, 0), vec4(0, 0, 1, 0), vec4(5.5, 5.5, 0, 1));
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// float inst_wind_sway = 0.0;
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mat4 inst_mat;
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inst_mat[0] = inst_mat0;
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inst_mat[1] = inst_mat1;
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inst_mat[2] = inst_mat2;
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inst_mat[3] = inst_mat3;
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/* Instance instances = sprite_instances[gl_InstanceID & 1023];
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mat4 inst_mat = instances.inst_mat;
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vec3 inst_col = instances.inst_col;
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float inst_wind_sway = instances.inst_wind_sway; */
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vec3 inst_offs = model_offs - focus_off.xyz;
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// mat3 inst_mat;
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// inst_mat[0] = inst_mat0.xyz;
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// inst_mat[1] = inst_mat1.xyz;
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// inst_mat[2] = inst_mat2.xyz;
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// /* Instance instances = sprite_instances[gl_InstanceID & 1023];
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// mat4 inst_mat = instances.inst_mat;
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// vec3 inst_col = instances.inst_col;
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// float inst_wind_sway = instances.inst_wind_sway; */
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// float inst_wind_sway = wind_sway.w;
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// vec3 inst_offs = model_offs - focus_off.xyz;
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f_inst_light = inst_light.xy;
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// vec3 sprite_pos = floor(inst_mat3.xyz * SCALE) + inst_offs;
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// f_pos_norm = v_pos;
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// vec3 sprite_pos = (inst_mat * vec4(0, 0, 0, 1)).xyz;
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// vec3 sprite_pos = floor((inst_mat * vec4(0, 0, 0, 1)).xyz * SCALE/* - vec3(0.5, 0.5, 0.0)*/) + inst_offs;
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// vec3 sprite_pos = /*round*/floor(((inst_mat * vec4(0, 0, 0, 1)).xyz - /* wind_sway.xyz * */offs.xyz) * SCALE/* - vec3(0.5, 0.5, 0.0)*/) - inst_offs;
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// vec3 sprite_pos = /*round*/floor(((inst_mat * vec4(-offs.xyz, 1)).xyz) * SCALE/* - vec3(0.5, 0.5, 0.0)*/) + inst_offs;
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// vec3 v_pos = vec3(gl_VertexID * 32, gl_VertexID % 32, 1.0);
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// f_pos = v_pos + (model_offs - focus_off.xyz);
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// vec3 v_pos = /*inst_mat*//*locals.*/wind_sway.xyz * v_pos;
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vec3 v_pos_ = /*inst_mat*//*locals.*//*sprites[0].*/wind_sway.xyz * v_pos;
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// vec3 v_pos = (/*inst_mat*/locals.mat * vec4(v_pos, 1)).xyz + vec3(0.5, 0.5, 0.0);
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// f_pos = v_pos * SCALE + (inst_chunk_pos + model_offs - focus_off.xyz);
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// vec3 v_pos_ = (inst_mat * vec4(v_pos/* * SCALE*/, 1)).xyz;
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// vec3 v_pos = (inst_mat * vec4(v_pos, 1)).xyz;
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// f_pos = v_pos + (model_offs - focus_off.xyz);
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f_pos = (inst_mat * vec4(v_pos_, 1.0)).xyz * SCALE + inst_offs;
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// Terrain 'pop-in' effect
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f_pos.z -= 250.0 * (1.0 - min(1.0001 - 0.02 / pow(tick.x - load_time, 10.0), 1.0));
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// f_pos = (inst_mat * v_pos_) * SCALE + sprite_pos;
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// f_pos = (inst_mat * vec4(v_pos * SCALE, 1)).xyz + (model_offs - focus_off.xyz);
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// f_pos = v_pos_ + (inst_chunk_pos + model_offs - focus_off.xyz + vec3(0.5, 0.5, 0.0));
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// f_pos.z -= min(32.0, 25.0 * pow(distance(focus_pos.xy, f_pos.xy) / view_distance.x, 20.0));
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// Wind waving
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/* const float x_scale = sin(tick.x * 1.5 + f_pos.x * 0.1);
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const float y_scale = sin(tick.x * 1.5 + f_pos.y * 0.1);
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const float z_scale = pow(abs(v_pos_.z), 1.3) * SCALE_FACTOR;
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const float xy_bias = sin(tick.x * 0.25);
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const float z_bias = xy_bias * t_scale;
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mat3 shear = mat4(
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vec3(x_scale , 0.0, 0.0, 0.0),
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vec3(0.0, y_scale, 0.0, 0.0),
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vec3(0.0, 0.0, z_bias, 0.0),
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vec3(0.0, 0.0, (1.0 / z_bias), 0.0)
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); */
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// const float x_scale = sin(tick.x * 1.5 + f_pos.x * 0.1);
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// const float y_scale = sin(tick.x * 1.5 + f_pos.y * 0.1);
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// const float z_scale = pow(abs(v_pos_.z), 1.3) * SCALE_FACTOR;
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// const float xy_bias = sin(tick.x * 0.25);
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// const float z_bias = xy_bias * t_scale;
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// vec3 rotate = inst_wind_sway * vec3(
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// sin(tick.x * 1.5 + f_pos.y * 0.1) * sin(tick.x * 0.35),
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// sin(tick.x * 1.5 + f_pos.x * 0.1) * sin(tick.x * 0.25),
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// 0.0
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// ) * pow(abs(v_pos_.z/* + sprites[0].offs.z*/)/* * SCALE*/, 1.3) * /*0.2;*/SCALE_FACTOR;
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//
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// mat3 shear = mat4(
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// vec3(x_scale * , 0.0, 0.0, 0.0),
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// vec3(0.0, y_scale, 0.0, 0.0),
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// vec3(0.0, 0.0, z_bias, 0.0),
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// vec3(0.0, 0.0, (1.0 / z_bias), 0.0)
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// );
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/*if (wind_sway.w >= 0.4) */{
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f_pos += /*inst_wind_sway*/wind_sway.w * vec3(
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sin(tick.x * 1.5 + f_pos.y * 0.1) * sin(tick.x * 0.35),
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sin(tick.x * 1.5 + f_pos.x * 0.1) * sin(tick.x * 0.25),
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0.0
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) * 4 * v_pos_.z * /*0.2;*/SCALE_FACTOR;
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}
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// First 3 normals are negative, next 3 are positive
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// vec3 normals[6] = vec3[](vec3(-1,0,0), vec3(1,0,0), vec3(0,-1,0), vec3(0,1,0), vec3(0,0,-1), vec3(0,0,1));
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// uint norm_idx = (v_norm_ao >> 0) & 0x7u;
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// f_norm = (inst_mat * vec4(normals[], 0)).xyz;
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// TODO: Consider adding a second, already-normalized (i.e. unscaled) matrix.
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// vec3 norm = /*normalize*/(inst_mat/*locals.mat*/[(v_norm_ao >> 1u) & 3u].xyz);
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// vec3 norm = /*normalize*/(inst_mat/*locals.mat*/[(v_norm_ao >> 1u) & 3u]);
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// vec3 norm = bone_data.normals_mat[axis_idx].xyz;
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// norm = normalize(norm);
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// norm = norm / SCALE_FACTOR / locals.wind_sway.xyz;
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// norm = norm / (norm.x + norm.y + norm.z);
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// vec3 norm = norm_mat * vec4(uvec3(1 << axis_idx) & uvec3(0x1u, 0x3u, 0x7u), 1);
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// // Calculate normal here rather than for each pixel in the fragment shader
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// f_norm = normalize((
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// combined_mat *
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// vec4(norm, 0)
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// ).xyz);
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vec3 norm = /*normalize*/(inst_mat/*locals.mat*/[(v_norm_ao >> 1u) & 3u].xyz);
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f_norm = mix(-norm, norm, v_norm_ao & 1u);
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/* vec3 col = vec3((uvec3(v_col) >> uvec3(0, 8, 16)) & uvec3(0xFFu)) / 255.0;
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f_col = srgb_to_linear(col) * srgb_to_linear(inst_col);
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f_ao = float((v_norm_ao >> 3) & 0x3u) / 4.0; */
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f_uv_pos = vec2((uvec2(v_atlas_pos) >> uvec2(0, 16)) & uvec2(0xFFFFu, 0xFFFFu));/* + 0.5*/;
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// f_atlas_pos = v_atlas_pos;
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/* for (uint i = 0u; i < light_shadow_count.z; ++i) {
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light_pos[i] = vec3(shadowMats[i].texture_mat * vec4(f_pos, 1.0));
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} */
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// // Select glowing
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// if (select_pos.w > 0 && select_pos.xyz == floor(sprite_pos)) {
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// f_col *= 4.0;
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// }
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// f_light = 1.0;
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// if (select_pos.w > 0) */{
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vec3 sprite_pos = /*round*/floor(((inst_mat * vec4(-offs.xyz, 1)).xyz) * SCALE/* - vec3(0.5, 0.5, 0.0)*/) + inst_offs;
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f_select = (select_pos.w > 0 && select_pos.xyz == sprite_pos/* - vec3(0.5, 0.5, 0.0) * SCALE*/) ? 1.0 : 0.0;
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// }
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gl_Position =
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all_mat *
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vec4(f_pos, 1);
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// gl_Position.z = -gl_Position.z;
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// gl_Position.z = -gl_Position.z / gl_Position.w;
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// gl_Position.z = -gl_Position.z / 100.0;
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// gl_Position.z = -gl_Position.z / 100.0;
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// gl_Position.z = -1000.0 / (gl_Position.z + 10000.0);
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}
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