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Decompile 2 functions in Source/Render/DX9/RendererFogDX9.cpp, Source/Render/DX9/RendererDX9.cpp, ...

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Batch #12214 by cremane: 1 byte-identical, 1 confirmed by peer review.

- fn_02217 CRendererDX9::ApplyFog: logic confirmed by peer review
- fn_02230 CRendererDX9::SetFog: byte-identical

Peer-reviewed-by: Yommy, Tanke, codeplay
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-11-05 12:48:23 +00:00
commit 0631a3548c
3 changed files with 13 additions and 21 deletions
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4
Source/Render/DX9/RendererDX9.cpp
View file

@ -28,10 +28,6 @@ void CRendererDX9::SetClearColor(unsigned color) {
this->clearColor = color;
}
void CRendererDX9::SetFog(int enabled) {
this->fog.Set(enabled, this->device->caps);
}
// OFFSET: 0x00567E70
// FUNCTION: fn_02231
float CRendererDX9::FPS() const {

27
Source/Render/DX9/RendererFogDX9.cpp
View file

@ -11,11 +11,11 @@
// OFFSET: 0x00567E20
// FUNCTION: fn_02230
void RendererFogDX9::Set(int value, const _D3DCAPS9& caps) {
const int supported = (caps.RasterCaps & D3DPRASTERCAPS_FOGVERTEX) != 0;
this->dirty = 1;
this->supported = supported;
this->enabled = value;
void CRendererDX9::SetFog(int enabled) {
const int supported = (this->device->caps.RasterCaps & D3DPRASTERCAPS_FOGVERTEX) != 0;
this->fog.dirty = 1;
this->fog.supported = supported;
this->fog.enabled = enabled;
g_fogRange = 1;
g_fogVertexMode = D3DFOG_LINEAR;
}
@ -23,7 +23,6 @@ void RendererFogDX9::Set(int value, const _D3DCAPS9& caps) {
// OFFSET: 0x005654D0
// FUNCTION: fn_02217
void CRendererDX9::ApplyFog() {
DeviceStateDX9& state = this->device->state;
if (this->fog.dirty == 1) {
const float inverseAspect = 1.0f / this->viewport.aspect;
const bool supported = (this->device->caps.RasterCaps & D3DPRASTERCAPS_FOGVERTEX) != 0;
@ -37,15 +36,15 @@ void CRendererDX9::ApplyFog() {
this->nativeDevice->SetTransform(D3DTS_PROJECTION, &projection);
this->nativeDevice->SetTransform(D3DTS_VIEW, &identity);
state.SetRenderState(D3DRS_FOGCOLOR, g_worldOverlayColor);
state.SetRenderState(D3DRS_RANGEFOGENABLE, g_fogRange);
state.SetRenderState(D3DRS_FOGSTART, std::bit_cast<unsigned>(start));
state.SetRenderState(D3DRS_FOGEND, std::bit_cast<unsigned>(end));
state.SetRenderState(D3DRS_FOGDENSITY, std::bit_cast<unsigned>(g_fogDensity));
this->device->state.SetRenderState(D3DRS_FOGCOLOR, g_worldOverlayColor);
this->device->state.SetRenderState(D3DRS_RANGEFOGENABLE, g_fogRange);
this->device->state.SetRenderState(D3DRS_FOGSTART, std::bit_cast<unsigned>(start));
this->device->state.SetRenderState(D3DRS_FOGEND, std::bit_cast<unsigned>(end));
this->device->state.SetRenderState(D3DRS_FOGDENSITY, std::bit_cast<unsigned>(g_fogDensity));
if (supported) {
state.SetRenderState(D3DRS_FOGTABLEMODE, D3DFOG_NONE);
state.SetRenderState(D3DRS_FOGVERTEXMODE, g_fogVertexMode);
this->device->state.SetRenderState(D3DRS_FOGTABLEMODE, D3DFOG_NONE);
this->device->state.SetRenderState(D3DRS_FOGVERTEXMODE, g_fogVertexMode);
} else {
this->fog.enabled = 0;
}
@ -53,5 +52,5 @@ void CRendererDX9::ApplyFog() {
this->fog.dirty = 0;
}
state.SetRenderState(D3DRS_FOGENABLE, this->fog.enabled);
this->device->state.SetRenderState(D3DRS_FOGENABLE, this->fog.enabled);
}

3
Source/Render/DX9/RendererFogDX9.h
View file

@ -4,14 +4,11 @@
#include <cstddef>
struct DeviceStateDX9;
struct _D3DCAPS9;
struct RendererFogDX9 {
/* 0150 */ int enabled;
/* 0154 */ int dirty;
/* 0158 */ int supported;
void Set(int enabled, const _D3DCAPS9& caps);
};
static_assert(sizeof(RendererFogDX9) == 12);