Revert "Disable old ent code"

This reverts commit efd31237be.

src/dusk/CMakeLists.txt

@@ -56,6 +56,7 @@ add_subdirectory(console)
 add_subdirectory(display)
 add_subdirectory(log)
 add_subdirectory(engine)
+add_subdirectory(entity)
 add_subdirectory(error)
 add_subdirectory(input)
 add_subdirectory(locale)

src/dusk/engine/engine.c

@@ -17,6 +17,8 @@
 #include "ui/ui.h"
 #include "ui/uitextbox.h"
 #include "assert/assert.h"
+#include "entity/entitymanager.h"
+#include "entity/component/physics/entityphysics.h"
 #include "physics/physicsmanager.h"
 #include "network/network.h"
 #include "system/system.h"
@@ -48,6 +50,7 @@ errorret_t engineInit(const int32_t argc, const char_t **argv) {
 
   errorChain(cutsceneInit());
   errorChain(sceneInit());
+  entityManagerInit();
   backpackInit();
   physicsManagerInit();
   errorChain(networkInit());
@@ -89,6 +92,7 @@ errorret_t engineDispose(void) {
   cutsceneDispose();
   sceneDispose();
   errorChain(networkDispose());
+  entityManagerDispose();
   localeManagerDispose();
   uiDispose();
   consoleDispose();

src/dusk/overworld/mapchunk.c

@@ -7,12 +7,16 @@
 
 #include "mapchunk.h"
 #include "map.h"
+#include "entity/entitymanager.h"
 #include "util/memory.h"
 #include "util/string.h"
 #include "asset/asset.h"
 #include "console/console.h"
 
 errorret_t mapChunkLoad(mapchunk_t *chunk) {
+  chunk->entityCount = 0;
+  memoryZero(chunk->entities, sizeof(chunk->entities));
+
   if(MAP.handle[0] == '\0') errorOk();
 
   char_t path[ASSET_FILE_NAME_MAX];
@@ -44,4 +48,9 @@ void mapChunkUnload(mapchunk_t *chunk) {
     (int)chunk->position.y,
     (int)chunk->position.z
   );
+
+  for(uint8_t i = 0; i < chunk->entityCount; i++) {
+    entityDispose(chunk->entities[i]);
+  }
+  chunk->entityCount = 0;
 }

src/dusk/overworld/mapchunk.h

@@ -7,12 +7,15 @@
 
 #pragma once
 #include "maptypes.h"
+#include "entity/entitybase.h"
 #include "error/error.h"
 
 #define MAP_CHUNK_ENTITY_COUNT_MAX 64
 
 typedef struct {
   chunkpos_t position;
+  entityid_t entities[MAP_CHUNK_ENTITY_COUNT_MAX];
+  uint8_t entityCount;
 } mapchunk_t;
 
 /**

src/dusk/physics/physicsworld.c

@@ -8,8 +8,8 @@
 #include "physicsworld.h"
 #include "assert/assert.h"
 #include "util/memory.h"
-// #include "entity/entity.h"
-// #include "entity/component.h"
+#include "entity/entity.h"
+#include "entity/component.h"
 #include "physicstest.h"
 
 physicsworld_t PHYSICS_WORLD;
@@ -23,129 +23,129 @@ void physicsWorldInit() {
 }
 
 void physicsWorldStep(const float_t dt) {
-  // assertTrue(dt > 0.0f, "Delta time must be positive");
+  assertTrue(dt > 0.0f, "Delta time must be positive");
 
-  // entityid_t physEnts[ENTITY_COUNT_MAX];
-  // componentid_t physComps[ENTITY_COUNT_MAX];
-  // entityid_t physCount = componentGetEntitiesWithComponent(
-  //   COMPONENT_TYPE_PHYSICS, physEnts, physComps
-  // );
+  entityid_t physEnts[ENTITY_COUNT_MAX];
+  componentid_t physComps[ENTITY_COUNT_MAX];
+  entityid_t physCount = componentGetEntitiesWithComponent(
+    COMPONENT_TYPE_PHYSICS, physEnts, physComps
+  );
 
-  // /* Pre-fetch all position and physics pointers once. */
-  // entityposition_t *positions[ENTITY_COUNT_MAX];
-  // entityphysics_t  *physBodies[ENTITY_COUNT_MAX];
-  // for(entityid_t i = 0; i < physCount; i++) {
-  //   componentid_t posComp = entityGetComponent(
-  //     physEnts[i], COMPONENT_TYPE_POSITION
-  //   );
-  //   positions[i] = (posComp != 0xFF)
-  //     ? entityPositionGet(physEnts[i], posComp)
-  //     : NULL;
-  //   physBodies[i] = entityPhysicsGet(physEnts[i], physComps[i]);
-  // }
-
-  // /* Phase 1: integrate dynamic bodies (gravity + velocity → position).
-  //  * Writes directly to pos->position, matrix rebuilt at end. */
-  // for(entityid_t i = 0; i < physCount; i++) {
-  //   if(!positions[i]) continue;
-  //   entityphysics_t *phys = physBodies[i];
-  //   if(phys->type != PHYSICS_BODY_DYNAMIC) continue;
-
-  //   phys->onGround = false;
-
-  //   phys->velocity[0] += PHYSICS_WORLD.gravity[0] * phys->gravityScale * dt;
-  //   phys->velocity[1] += PHYSICS_WORLD.gravity[1] * phys->gravityScale * dt;
-  //   phys->velocity[2] += PHYSICS_WORLD.gravity[2] * phys->gravityScale * dt;
-
-  //   float_t *pos = positions[i]->position;
-  //   pos[0] += phys->velocity[0] * dt;
-  //   pos[1] += phys->velocity[1] * dt;
-  //   pos[2] += phys->velocity[2] * dt;
-  // }
-
-  // /* Phase 2: dynamic vs static/kinematic. */
-  // for(entityid_t i = 0; i < physCount; i++) {
-  //   if(!positions[i]) continue;
-  //   entityphysics_t *phys = physBodies[i];
-  //   if(phys->type != PHYSICS_BODY_DYNAMIC) continue;
-
-  //   float_t *pos = positions[i]->position;
-
-  //   for(entityid_t j = 0; j < physCount; j++) {
-  //     if(i == j || !positions[j]) continue;
-  //     entityphysics_t *otherPhys = physBodies[j];
-  //     if(otherPhys->type == PHYSICS_BODY_DYNAMIC) continue;
-
-  //     vec3 normal; float_t depth;
-  //     if(!physicsTestShapeVsShape(
-  //       pos, phys->shape,
-  //       positions[j]->position, otherPhys->shape,
-  //       normal, &depth
-  //     )) continue;
-
-  //     pos[0] += normal[0] * depth;
-  //     pos[1] += normal[1] * depth;
-  //     pos[2] += normal[2] * depth;
-
-  //     float_t vn = glm_vec3_dot(phys->velocity, normal);
-  //     if(vn < 0.0f) {
-  //       phys->velocity[0] -= vn * normal[0];
-  //       phys->velocity[1] -= vn * normal[1];
-  //       phys->velocity[2] -= vn * normal[2];
-  //     }
-
-  //     if(normal[1] > PHYSICS_GROUND_THRESHOLD) phys->onGround = true;
-  //   }
-  // }
-
-  // /* Phase 3: dynamic vs dynamic. */
-  // for(entityid_t i = 0; i < physCount; i++) {
-  //   if(!positions[i]) continue;
-  //   entityphysics_t *physA = physBodies[i];
-  //   if(physA->type != PHYSICS_BODY_DYNAMIC) continue;
-
-  //   float_t *posA = positions[i]->position;
-
-  //   for(entityid_t j = i + 1; j < physCount; j++) {
-  //     if(!positions[j]) continue;
-  //     entityphysics_t *physB = physBodies[j];
-  //     if(physB->type != PHYSICS_BODY_DYNAMIC) continue;
-
-  //     float_t *posB = positions[j]->position;
-
-  //     vec3 normal; float_t depth;
-  //     if(!physicsTestShapeVsShape(
-  //       posA, physA->shape, posB, physB->shape, normal, &depth
-  //     )) continue;
-
-  //     posA[0] += normal[0] * depth * 0.5f;
-  //     posA[1] += normal[1] * depth * 0.5f;
-  //     posA[2] += normal[2] * depth * 0.5f;
-
-  //     posB[0] -= normal[0] * depth * 0.5f;
-  //     posB[1] -= normal[1] * depth * 0.5f;
-  //     posB[2] -= normal[2] * depth * 0.5f;
-
-  //     float_t v_rel = glm_vec3_dot(physA->velocity, normal)
-  //                   - glm_vec3_dot(physB->velocity, normal);
-  //     if(v_rel < 0.0f) {
-  //       physA->velocity[0] -= v_rel * normal[0];
-  //       physA->velocity[1] -= v_rel * normal[1];
-  //       physA->velocity[2] -= v_rel * normal[2];
-  //       physB->velocity[0] += v_rel * normal[0];
-  //       physB->velocity[1] += v_rel * normal[1];
-  //       physB->velocity[2] += v_rel * normal[2];
-  //     }
-
-  //     if( normal[1] > PHYSICS_GROUND_THRESHOLD) physA->onGround = true;
-  //     if(-normal[1] > PHYSICS_GROUND_THRESHOLD) physB->onGround = true;
-  //   }
-  // }
-
-  // /* Rebuild transforms for all dynamic bodies once, after all phases. */
-  // for(entityid_t i = 0; i < physCount; i++) {
-  //   if(!positions[i]) continue;
-  //   if(physBodies[i]->type != PHYSICS_BODY_DYNAMIC) continue;
-  //   entityPositionRebuild(positions[i]);
-  // }
+  /* Pre-fetch all position and physics pointers once. */
+  entityposition_t *positions[ENTITY_COUNT_MAX];
+  entityphysics_t  *physBodies[ENTITY_COUNT_MAX];
+  for(entityid_t i = 0; i < physCount; i++) {
+    componentid_t posComp = entityGetComponent(
+      physEnts[i], COMPONENT_TYPE_POSITION
+    );
+    positions[i] = (posComp != 0xFF)
+      ? entityPositionGet(physEnts[i], posComp)
+      : NULL;
+    physBodies[i] = entityPhysicsGet(physEnts[i], physComps[i]);
+  }
+
+  /* Phase 1: integrate dynamic bodies (gravity + velocity → position).
+   * Writes directly to pos->position, matrix rebuilt at end. */
+  for(entityid_t i = 0; i < physCount; i++) {
+    if(!positions[i]) continue;
+    entityphysics_t *phys = physBodies[i];
+    if(phys->type != PHYSICS_BODY_DYNAMIC) continue;
+
+    phys->onGround = false;
+
+    phys->velocity[0] += PHYSICS_WORLD.gravity[0] * phys->gravityScale * dt;
+    phys->velocity[1] += PHYSICS_WORLD.gravity[1] * phys->gravityScale * dt;
+    phys->velocity[2] += PHYSICS_WORLD.gravity[2] * phys->gravityScale * dt;
+
+    float_t *pos = positions[i]->position;
+    pos[0] += phys->velocity[0] * dt;
+    pos[1] += phys->velocity[1] * dt;
+    pos[2] += phys->velocity[2] * dt;
+  }
+
+  /* Phase 2: dynamic vs static/kinematic. */
+  for(entityid_t i = 0; i < physCount; i++) {
+    if(!positions[i]) continue;
+    entityphysics_t *phys = physBodies[i];
+    if(phys->type != PHYSICS_BODY_DYNAMIC) continue;
+
+    float_t *pos = positions[i]->position;
+
+    for(entityid_t j = 0; j < physCount; j++) {
+      if(i == j || !positions[j]) continue;
+      entityphysics_t *otherPhys = physBodies[j];
+      if(otherPhys->type == PHYSICS_BODY_DYNAMIC) continue;
+
+      vec3 normal; float_t depth;
+      if(!physicsTestShapeVsShape(
+        pos, phys->shape,
+        positions[j]->position, otherPhys->shape,
+        normal, &depth
+      )) continue;
+
+      pos[0] += normal[0] * depth;
+      pos[1] += normal[1] * depth;
+      pos[2] += normal[2] * depth;
+
+      float_t vn = glm_vec3_dot(phys->velocity, normal);
+      if(vn < 0.0f) {
+        phys->velocity[0] -= vn * normal[0];
+        phys->velocity[1] -= vn * normal[1];
+        phys->velocity[2] -= vn * normal[2];
+      }
+
+      if(normal[1] > PHYSICS_GROUND_THRESHOLD) phys->onGround = true;
+    }
+  }
+
+  /* Phase 3: dynamic vs dynamic. */
+  for(entityid_t i = 0; i < physCount; i++) {
+    if(!positions[i]) continue;
+    entityphysics_t *physA = physBodies[i];
+    if(physA->type != PHYSICS_BODY_DYNAMIC) continue;
+
+    float_t *posA = positions[i]->position;
+
+    for(entityid_t j = i + 1; j < physCount; j++) {
+      if(!positions[j]) continue;
+      entityphysics_t *physB = physBodies[j];
+      if(physB->type != PHYSICS_BODY_DYNAMIC) continue;
+
+      float_t *posB = positions[j]->position;
+
+      vec3 normal; float_t depth;
+      if(!physicsTestShapeVsShape(
+        posA, physA->shape, posB, physB->shape, normal, &depth
+      )) continue;
+
+      posA[0] += normal[0] * depth * 0.5f;
+      posA[1] += normal[1] * depth * 0.5f;
+      posA[2] += normal[2] * depth * 0.5f;
+
+      posB[0] -= normal[0] * depth * 0.5f;
+      posB[1] -= normal[1] * depth * 0.5f;
+      posB[2] -= normal[2] * depth * 0.5f;
+
+      float_t v_rel = glm_vec3_dot(physA->velocity, normal)
+                    - glm_vec3_dot(physB->velocity, normal);
+      if(v_rel < 0.0f) {
+        physA->velocity[0] -= v_rel * normal[0];
+        physA->velocity[1] -= v_rel * normal[1];
+        physA->velocity[2] -= v_rel * normal[2];
+        physB->velocity[0] += v_rel * normal[0];
+        physB->velocity[1] += v_rel * normal[1];
+        physB->velocity[2] += v_rel * normal[2];
+      }
+
+      if( normal[1] > PHYSICS_GROUND_THRESHOLD) physA->onGround = true;
+      if(-normal[1] > PHYSICS_GROUND_THRESHOLD) physB->onGround = true;
+    }
+  }
+
+  /* Rebuild transforms for all dynamic bodies once, after all phases. */
+  for(entityid_t i = 0; i < physCount; i++) {
+    if(!positions[i]) continue;
+    if(physBodies[i]->type != PHYSICS_BODY_DYNAMIC) continue;
+    entityPositionRebuild(positions[i]);
+  }
 }

src/dusk/scene/scene.c

@@ -9,9 +9,12 @@
 #include "log/log.h"
 #include "time/time.h"
 #include "display/screen/screen.h"
+#include "entity/entitymanager.h"
+#include "entity/component/display/entityrenderable.h"
 #include "display/shader/shaderunlit.h"
 #include "display/spritebatch/spritebatch.h"
 #include "display/screen/screen.h"
+#include "console/console.h"
 #include "util/string.h"
 #include "ui/ui.h"