fix(Core): Activate creatures and objects during opening cinematics (#4045)

Co-authored-by: Si1ker <55638679+Sombranator@users.noreply.github.com>
Co-authored-by: Stefano Borzì <stefanoborzi32@gmail.com>

src/server/shared/DataStores/DBCStore.h

@@ -11,6 +11,121 @@
 #include "DBCStorageIterator.h"
 #include "Errors.h"
 #include <vector>
+#include <G3D/Vector3.h>
+#include <G3D/AABox.h>
+
+ // Structures for M4 file. Source: https://wowdev.wiki
+template<typename T>
+struct M2SplineKey
+{
+    T p0;
+    T p1;
+    T p2;
+};
+
+struct M2Header
+{
+    char   Magic[4];               // "MD20"
+    uint32 Version;                // The version of the format.
+    uint32 lName;                  // Length of the model's name including the trailing \0
+    uint32 ofsName;                // Offset to the name, it seems like models can get reloaded by this name.should be unique, i guess.
+    uint32 GlobalModelFlags;       // 0x0001: tilt x, 0x0002: tilt y, 0x0008: add 2 fields in header, 0x0020: load .phys data (MoP+), 0x0080: has _lod .skin files (MoP?+), 0x0100: is camera related.
+    uint32 nGlobalSequences;
+    uint32 ofsGlobalSequences;     // A list of timestamps.
+    uint32 nAnimations;
+    uint32 ofsAnimations;          // Information about the animations in the model.
+    uint32 nAnimationLookup;
+    uint32 ofsAnimationLookup;     // Mapping of global IDs to the entries in the Animation sequences block.
+    uint32 nBones;                 // MAX_BONES = 0x100
+    uint32 ofsBones;               // Information about the bones in this model.
+    uint32 nKeyBoneLookup;
+    uint32 ofsKeyBoneLookup;       // Lookup table for key skeletal bones.
+    uint32 nVertices;
+    uint32 ofsVertices;            // Vertices of the model.
+    uint32 nViews;                 // Views (LOD) are now in .skins.
+    uint32 nSubmeshAnimations;
+    uint32 ofsSubmeshAnimations;   // Submesh color and alpha animations definitions.
+    uint32 nTextures;
+    uint32 ofsTextures;            // Textures of this model.
+    uint32 nTransparency;
+    uint32 ofsTransparency;        // Transparency of textures.
+    uint32 nUVAnimation;
+    uint32 ofsUVAnimation;
+    uint32 nTexReplace;
+    uint32 ofsTexReplace;          // Replaceable Textures.
+    uint32 nRenderFlags;
+    uint32 ofsRenderFlags;         // Blending modes / render flags.
+    uint32 nBoneLookupTable;
+    uint32 ofsBoneLookupTable;     // A bone lookup table.
+    uint32 nTexLookup;
+    uint32 ofsTexLookup;           // The same for textures.
+    uint32 nTexUnits;              // possibly removed with cata?!
+    uint32 ofsTexUnits;            // And texture units. Somewhere they have to be too.
+    uint32 nTransLookup;
+    uint32 ofsTransLookup;         // Everything needs its lookup. Here are the transparencies.
+    uint32 nUVAnimLookup;
+    uint32 ofsUVAnimLookup;
+    G3D::AABox BoundingBox;            // min/max( [1].z, 2.0277779f ) - 0.16f seems to be the maximum camera height
+    float  BoundingSphereRadius;
+    G3D::AABox CollisionBox;
+    float  CollisionSphereRadius;
+    uint32 nBoundingTriangles;
+    uint32 ofsBoundingTriangles;   // Our bounding volumes. Similar structure like in the old ofsViews.
+    uint32 nBoundingVertices;
+    uint32 ofsBoundingVertices;
+    uint32 nBoundingNormals;
+    uint32 ofsBoundingNormals;
+    uint32 nAttachments;
+    uint32 ofsAttachments;         // Attachments are for weapons etc.
+    uint32 nAttachLookup;
+    uint32 ofsAttachLookup;        // Of course with a lookup.
+    uint32 nEvents;
+    uint32 ofsEvents;              // Used for playing sounds when dying and a lot else.
+    uint32 nLights;
+    uint32 ofsLights;              // Lights are mainly used in loginscreens but in wands and some doodads too.
+    uint32 nCameras;               // Format of Cameras changed with version 271!
+    uint32 ofsCameras;             // The cameras are present in most models for having a model in the Character-Tab.
+    uint32 nCameraLookup;
+    uint32 ofsCameraLookup;        // And lookup-time again.
+    uint32 nRibbonEmitters;
+    uint32 ofsRibbonEmitters;      // Things swirling around. See the CoT-entrance for light-trails.
+    uint32 nParticleEmitters;
+    uint32 ofsParticleEmitters;    // Spells and weapons, doodads and loginscreens use them. Blood dripping of a blade? Particles.
+    uint32 nBlendMaps;             // This has to deal with blending. Exists IFF (flags & 0x8) != 0. When set, textures blending is overriden by the associated array. See M2/WotLK#Blend_mode_overrides
+    uint32 ofsBlendMaps;           // Same as above. Points to an array of uint16 of nBlendMaps entries -- From WoD information.};
+};
+
+struct M2Array
+{
+    uint32_t number;
+    uint32 offset_elements;
+};
+struct M2Track
+{
+    uint16_t interpolation_type;
+    uint16_t global_sequence;
+    M2Array timestamps;
+    M2Array values;
+};
+
+struct M2Camera
+{
+    uint32_t type; // 0: portrait, 1: characterinfo; -1: else (flyby etc.); referenced backwards in the lookup table.
+    float fov; // No radians, no degrees. Multiply by 35 to get degrees.
+    float far_clip;
+    float near_clip;
+    M2Track positions; // How the camera's position moves. Should be 3*3 floats.
+    G3D::Vector3 position_base;
+    M2Track target_positions; // How the target moves. Should be 3*3 floats.
+    G3D::Vector3 target_position_base;
+    M2Track rolldata; // The camera can have some roll-effect. Its 0 to 2*Pi.
+};
+
+struct FlyByCamera
+{
+    uint32 timeStamp;
+    G3D::Vector4 locations;
+};
 
 /// Interface class for common access
 class DBCStorageBase

src/server/shared/DataStores/DBCStructure.h

@@ -672,25 +672,23 @@ struct ChrRacesEntry
     uint32      expansion;                                  // 68 (0 - original race, 1 - tbc addon, ...)
 };
 
-/* not used
 struct CinematicCameraEntry
 {
     uint32      id;                                         // 0 index
     char*       filename;                                   // 1
     uint32      soundid;                                    // 2 in SoundEntries.dbc or 0
-    float       start_x;                                    // 3
-    float       start_y;                                    // 4
-    float       start_z;                                    // 5
-    float       unk6;                                       // 6 speed?
+    float       base_x;                                     // 3
+    float       base_y;                                     // 4
+    float       base_z;                                     // 5
+    float       base_o;                                     // 6
 };
-*/
 
 struct CinematicSequencesEntry
 {
     uint32      Id;                                         // 0 index
     //uint32      unk1;                                     // 1 always 0
-    //uint32      cinematicCamera;                          // 2 id in CinematicCamera.dbc
-    // 3-9 always 0
+    uint32      cinematicCamera;                            // 2 id in CinematicCamera.dbc
+                                                            // 3-9 always 0
 };
 
 struct CreatureDisplayInfoEntry

src/server/shared/DataStores/DBCfmt.h

@@ -22,7 +22,8 @@ char constexpr CharTitlesEntryfmt[] = "nxssssssssssssssssxssssssssssssssssxi";
 char constexpr ChatChannelsEntryfmt[] = "nixssssssssssssssssxxxxxxxxxxxxxxxxxx"; // ChatChannelsEntryfmt, index not used (more compact store)
 char constexpr ChrClassesEntryfmt[] = "nxixssssssssssssssssxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxixii";
 char constexpr ChrRacesEntryfmt[] = "nxixiixixxxxixssssssssssssssssxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxi";
-char constexpr CinematicSequencesEntryfmt[] = "nxxxxxxxxx";
+char constexpr CinematicCameraEntryfmt[] = "nsiffff";
+char constexpr CinematicSequencesEntryfmt[] = "nxixxxxxxx";
 char constexpr CreatureDisplayInfofmt[] = "nixxfxxxxxxxxxxx";
 char constexpr CreatureFamilyfmt[] = "nfifiiiiixssssssssssssssssxx";
 char constexpr CreatureModelDatafmt[] = "nxxxfxxxxxxxxxxffxxxxxxxxxxx";