mirror of
https://github.com/open-goal/jak-project
synced 2026-08-10 11:14:50 -04:00
ManDude
ecf590f30e
Fixes Jak 1 shadow color. Old behavior is subtractive blend with a hardcoded value, which often times look way too dark, but it looks like the actual game uses some sort of multiplicative blend and a customizable shadow color (for all shadows at once). Before vs after:     Also fixes #2646
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
#pragma once
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#include "common/math/Vector.h"
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#include "game/graphics/opengl_renderer/BucketRenderer.h"
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class Shadow2 : public BucketRenderer {
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public:
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static constexpr int kMaxVerts = 8192 * 3 * 2;
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static constexpr int kMaxInds = kMaxVerts;
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Shadow2(const std::string& name, int my_id);
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~Shadow2();
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void render(DmaFollower& dma, SharedRenderState* render_state, ScopedProfilerNode& prof) override;
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void draw_debug_window() override;
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void init_shaders(ShaderLibrary& shaders) override;
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private:
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struct ShadowVu1Constants {
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math::Vector4f hmgescale;
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math::Vector4f invhscale;
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math::Vector4f texoffset;
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math::Vector4f texscale;
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math::Vector4f hvdfoff;
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math::Vector4f fog;
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math::Vector4f clrs[2];
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};
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static_assert(sizeof(ShadowVu1Constants) == 128);
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struct MysteryData {
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u8 data[4 * 16];
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};
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struct CameraMatrix {
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math::Vector4f v[4];
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};
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struct FrameConstants {
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ShadowVu1Constants constants; // 880, 0x370
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MysteryData mystery; // 940, 0x3ac
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CameraMatrix camera; // 0
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};
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static constexpr int kTopVertexDataAddr = 4;
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static constexpr int kBottomVertexDataAddr = 174;
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static constexpr int kCapIndexDataAddr = 344;
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static constexpr int kWallIndexDataAddr = 600;
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struct InputData {
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const u8* top_vertex_data = nullptr; // always 115
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const u8* bottom_vertex_data = nullptr; // always 115
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const u8* cap_index_data = nullptr;
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size_t cap_index_data_size = 0;
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const u8* wall_index_data = nullptr;
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size_t wall_index_data_size = 0;
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};
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struct ShadowVertex {
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math::Vector3f pos;
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u32 pad = 0;
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};
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static_assert(sizeof(ShadowVertex) == 16);
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struct {
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GLuint vertex_buffer;
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GLuint index_buffer[2];
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GLuint vao;
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struct {
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GLuint hvdf_offset;
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GLuint perspective[4];
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GLuint fog;
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GLuint color;
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GLuint clear_mode;
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} uniforms;
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} m_ogl;
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std::vector<ShadowVertex> m_vertex_buffer;
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std::vector<u32> m_front_index_buffer;
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std::vector<u32> m_back_index_buffer;
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size_t m_vertex_buffer_used = 0;
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size_t m_front_index_buffer_used = 0;
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size_t m_back_index_buffer_used = 0;
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bool m_debug_draw_volume = false;
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void reset_buffers();
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void buffer_from_mscal2(const InputData& input);
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void buffer_from_mscal4(const InputData& input);
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void buffer_from_mscal6(const InputData& input);
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const u8* add_cap_tris(const u8* byte_data, const u8* vertex_data, bool flip);
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const u8* add_wall_quads(const u8* byte_data, const u8* vertex_data_0, const u8* vertex_data_1);
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const u8* add_flippable_tris(const u8* byte_data, const u8* vertex_data, bool flip);
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ShadowVertex* alloc_verts(int n);
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u32* alloc_inds(int n, bool front);
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void draw_buffers(SharedRenderState* render_state,
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ScopedProfilerNode& prof,
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const FrameConstants& constants);
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u8 m_color[4] = {0, 0, 0, 0};
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};
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