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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/ui/game_screen.cpp
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@ -1,5 +1,6 @@
#include "ui/game_screen.hpp"
#include "core/application.hpp"
#include "core/coordinates.hpp"
#include "core/input.hpp"
#include "rendering/renderer.hpp"
#include "rendering/character_renderer.hpp"
@ -12,12 +13,6 @@
#include <unordered_set>
namespace {
constexpr float ZEROPOINT = 32.0f * 533.33333f;
glm::vec3 wowToGL(float wowX, float wowY, float wowZ) {
return { -(wowZ - ZEROPOINT), -(wowX - ZEROPOINT), wowY };
}
bool raySphereIntersect(const wowee::rendering::Ray& ray, const glm::vec3& center, float radius, float& tOut) {
glm::vec3 oc = ray.origin - center;
float b = glm::dot(oc, ray.direction);
@ -103,7 +98,7 @@ void GameScreen::render(game::GameHandler& gameHandler) {
if (gameHandler.hasTarget()) {
auto target = gameHandler.getTarget();
if (target) {
targetGLPos = wowToGL(target->getX(), target->getY(), target->getZ());
targetGLPos = core::coords::canonicalToRender(glm::vec3(target->getX(), target->getY(), target->getZ()));
renderer->setTargetPosition(&targetGLPos);
} else {
renderer->setTargetPosition(nullptr);
@ -411,7 +406,7 @@ void GameScreen::processTargetInput(game::GameHandler& gameHandler) {
auto t = entity->getType();
if (t != game::ObjectType::UNIT && t != game::ObjectType::PLAYER) continue;
glm::vec3 entityGL = wowToGL(entity->getX(), entity->getY(), entity->getZ());
glm::vec3 entityGL = core::coords::canonicalToRender(glm::vec3(entity->getX(), entity->getY(), entity->getZ()));
// Add half-height offset so we target the body center, not feet
entityGL.z += 3.0f;