Red-exe-Engineer/minecraft-pi-reborn
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Increase Render Chunk Size

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This commit is contained in:
TheBrokenRail 2024-10-17 18:02:46 -04:00
parent 8bc335b479
commit e7b0932f60
3 changed files with 57 additions and 1 deletions
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1
docs/CHANGELOG.md
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@ -49,6 +49,7 @@
* `3D Dropped Items` (Enabled By Default)
* `Render Entity Shadows` (Enabled By Default)
* `Render Vignette` (Enabled By Default)
* `Increase Render Chunk Size` (Enabled By Default)
* Existing Functionality (All Enabled By Default)
* `Fix Screen Rendering When Hiding HUD`
* `Sanitize Usernames`

1
launcher/src/client/available-feature-flags
View File

@ -112,3 +112,4 @@ TRUE Click Buttons On Mouse Down
TRUE 3D Dropped Items
TRUE Render Entity Shadows
TRUE Render Vignette
TRUE Increase Render Chunk Size

54
mods/src/misc/graphics.cpp
View File

@ -467,6 +467,15 @@ static void Gui_renderProgressIndicator_injection(Gui_renderProgressIndicator_t
original(self, is_touch, width, height, a);
}
// Increase Render Chunk Size
static void adjust_mov_shift(void *addr, const uint32_t new_shift) {
uint32_t instruction = *(uint32_t *) addr;
instruction &= ~0x00000f80;
instruction |= (new_shift << 7);
unsigned char *x = (unsigned char *) &instruction;
patch(addr, x);
}
// Init
void _init_misc_graphics() {
// Disable V-Sync
@ -571,6 +580,51 @@ void _init_misc_graphics() {
overwrite_calls(Gui_renderProgressIndicator, Gui_renderProgressIndicator_injection);
}
// Increase Render Chunk Size
if (feature_has("Increase Render Chunk Size", server_disabled)) {
constexpr int chunk_size = 16;
// LevelRenderer::LevelRenderer
int a = 512 / chunk_size + 1;
a = a * a * (128 / chunk_size) * 3;
patch_address((void *) 0x4e748, (void *) a);
a *= sizeof(int);
patch_address((void *) 0x4e74c, (void *) a);
// LevelRenderer::allChanged
constexpr int b = 128 / chunk_size;
unsigned char render_chunk_patch_one[] = {(unsigned char) b, 0x20, 0xa0, 0xe3}; // "mov r2, #b"
patch((void *) 0x4fbec, render_chunk_patch_one);
adjust_mov_shift((void *) 0x4fbfc, std::log2(b));
const int c = std::log2(chunk_size);
adjust_mov_shift((void *) 0x4fbf0, c);
adjust_mov_shift((void *) 0x4fc74, c);
adjust_mov_shift((void *) 0x4fd60, c);
adjust_mov_shift((void *) 0x4fd40, c);
unsigned char render_chunk_patch_two[] = {(unsigned char) chunk_size, 0x20, 0xa0, 0xe3}; // "mov r2, #chunk_size"
patch((void *) 0x4fc80, render_chunk_patch_two);
// LevelRenderer::resortChunks
adjust_mov_shift((void *) 0x4f534, c);
constexpr int d = chunk_size / 2;
unsigned char render_chunk_patch_three[] = {(unsigned char) d, 0x10, 0x61, 0xe2}; // "rsb r1, r1, #d"
patch((void *) 0x4f548, render_chunk_patch_three);
adjust_mov_shift((void *) 0x4f58c, c);
unsigned char render_chunk_patch_four[] = {(unsigned char) d, 0x90, 0x63, 0xe2}; // "rsb r9, r3, #d"
patch((void *) 0x4f5d0, render_chunk_patch_four);
adjust_mov_shift((void *) 0x4f5f4, c);
adjust_mov_shift((void *) 0x4f638, c);
unsigned char render_chunk_patch_five[] = {(unsigned char) chunk_size, 0x90, 0x89, 0xe2}; // "add r9, r9, #chunk_size"
patch((void *) 0x4f6c0, render_chunk_patch_five);
unsigned char render_chunk_patch_six[] = {(unsigned char) chunk_size, 0x30, 0x83, 0xe2}; // "add r3, r3, #chunk_size"
patch((void *) 0x4f6ec, render_chunk_patch_six);
// LevelRenderer::setDirty
unsigned char render_chunk_patch_seven[] = {(unsigned char) chunk_size, 0x10, 0xa0, 0xe3}; // "mov r1, #chunk_size"
patch((void *) 0x4f1bc, render_chunk_patch_seven);
patch((void *) 0x4f1cc, render_chunk_patch_seven);
patch((void *) 0x4f1dc, render_chunk_patch_seven);
patch((void *) 0x4f1ec, render_chunk_patch_seven);
patch((void *) 0x4f1fc, render_chunk_patch_seven);
patch((void *) 0x4f20c, render_chunk_patch_seven);
}
// Don't Render Game In Headless Mode
if (reborn_is_headless()) {
overwrite_calls(GameRenderer_render, nop<GameRenderer_render_t, GameRenderer *, float>);