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Unify coordinate systems with canonical WoW world coordinates

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Centralizes all coordinate conversions in core/coordinates.hpp with
proper canonical WoW coords (+X=North, +Y=West, +Z=Up). Fixes critical
tile calculation bug that was loading wrong surrounding tiles during
terrain streaming, and fixes position sync sending ADT-raw format
instead of canonical coordinates to the server.
This commit is contained in:
Kelsi 2026-02-04 17:37:28 -08:00
parent ee9efa3478
commit 6690910712
11 changed files with 367 additions and 93 deletions
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11
src/rendering/minimap.cpp
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@ -137,11 +137,12 @@ void Minimap::shutdown() {
quadShader.reset();
}
void Minimap::render(const Camera& playerCamera, int screenWidth, int screenHeight) {
void Minimap::render(const Camera& playerCamera, const glm::vec3& centerWorldPos,
int screenWidth, int screenHeight) {
if (!enabled || !terrainRenderer || !fbo) return;
const auto now = std::chrono::steady_clock::now();
glm::vec3 playerPos = playerCamera.getPosition();
glm::vec3 playerPos = centerWorldPos;
bool needsRefresh = !hasCachedFrame;
if (!needsRefresh) {
float moved = glm::length(glm::vec2(playerPos.x - lastUpdatePos.x, playerPos.y - lastUpdatePos.y));
@ -151,7 +152,7 @@ void Minimap::render(const Camera& playerCamera, int screenWidth, int screenHeig
// 1. Render terrain from top-down into FBO (throttled)
if (needsRefresh) {
renderTerrainToFBO(playerCamera);
renderTerrainToFBO(playerCamera, centerWorldPos);
lastUpdateTime = now;
lastUpdatePos = playerPos;
hasCachedFrame = true;
@ -161,7 +162,7 @@ void Minimap::render(const Camera& playerCamera, int screenWidth, int screenHeig
renderQuad(screenWidth, screenHeight);
}
void Minimap::renderTerrainToFBO(const Camera& playerCamera) {
void Minimap::renderTerrainToFBO(const Camera& /*playerCamera*/, const glm::vec3& centerWorldPos) {
// Save current viewport
GLint prevViewport[4];
glGetIntegerv(GL_VIEWPORT, prevViewport);
@ -173,7 +174,7 @@ void Minimap::renderTerrainToFBO(const Camera& playerCamera) {
// Create a top-down camera at the player's XY position
Camera topDownCamera;
glm::vec3 playerPos = playerCamera.getPosition();
glm::vec3 playerPos = centerWorldPos;
topDownCamera.setPosition(glm::vec3(playerPos.x, playerPos.y, playerPos.z + 5000.0f));
topDownCamera.setRotation(0.0f, -89.9f); // Look straight down
topDownCamera.setAspectRatio(1.0f);