Merge remote-tracking branch 'marktraceur/master'

[minetest.git] / src / camera.h

diff --git a/src/camera.h b/src/camera.h
index dd9f30551cdc0a3816d7645c8e010e45174e2e34..66825e372a58646ad28b44a56b7f5ee88b6e3962 100644 (file)
--- a/src/camera.h
+++ b/src/camera.h
@@ -21,14 +21,18 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define CAMERA_HEADER
 
 #include "common_irrlicht.h"
+#include "inventory.h"
+#include "tile.h"
 #include "utility.h"
 
 class LocalPlayer;
 class MapDrawControl;
+class ExtrudedSpriteSceneNode;
 
 /*
        Client camera class, manages the player and camera scene nodes, the viewing distance
-       and performs view bobbing etc.
+       and performs view bobbing etc. It also displays the wielded tool in front of the
+       first-person camera.
 */
 class Camera
 {
@@ -107,6 +111,18 @@ class Camera
        // Update settings from g_settings
        void updateSettings();
 
+       // Replace the wielded item mesh
+       void wield(const InventoryItem* item);
+
+       // Start digging animation
+       // Pass 0 for left click, 1 for right click
+       void setDigging(s32 button);
+
+       // Draw the wielded tool.
+       // This has to happen *after* the main scene is drawn.
+       // Warning: This clears the Z buffer.
+       void drawWieldedTool();
+
 private:
        // Scene manager and nodes
        scene::ISceneManager* m_smgr;
@@ -114,6 +130,9 @@ class Camera
        scene::ISceneNode* m_headnode;
        scene::ICameraSceneNode* m_cameranode;
 
+       scene::ISceneManager* m_wieldmgr;
+       ExtrudedSpriteSceneNode* m_wieldnode;
+
        // draw control
        MapDrawControl& m_draw_control;
 
@@ -141,15 +160,71 @@ class Camera
        f32 m_frametime_counter;
        f32 m_time_per_range;
 
-       // View bobbing animation frame (0 <= m_view_bobbing < 0x1000000)
-       s32 m_view_bobbing_anim;
+       // View bobbing animation frame (0 <= m_view_bobbing_anim < 1)
+       f32 m_view_bobbing_anim;
        // If 0, view bobbing is off (e.g. player is standing).
        // If 1, view bobbing is on (player is walking).
        // If 2, view bobbing is getting switched off.
        s32 m_view_bobbing_state;
        // Speed of view bobbing animation
        f32 m_view_bobbing_speed;
+
+       // Digging animation frame (0 <= m_digging_anim < 1)
+       f32 m_digging_anim;
+       // If -1, no digging animation
+       // If 0, left-click digging animation
+       // If 1, right-click digging animation
+       s32 m_digging_button;
 };
 
-#endif
 
+/*
+       A scene node that displays a 2D mesh extruded into the third dimension,
+       to add an illusion of depth.
+
+       Since this class was created to display the wielded tool of the local
+       player, and only tools and items are rendered like this (but not solid
+       content like stone and mud, which are shown as cubes), the option to
+       draw a textured cube instead is provided.
+ */
+class ExtrudedSpriteSceneNode: public scene::ISceneNode
+{
+public:
+       ExtrudedSpriteSceneNode(
+               scene::ISceneNode* parent,
+               scene::ISceneManager* mgr,
+               s32 id = -1,
+               const v3f& position = v3f(0,0,0),
+               const v3f& rotation = v3f(0,0,0),
+               const v3f& scale = v3f(1,1,1));
+       ~ExtrudedSpriteSceneNode();
+
+       void setSprite(video::ITexture* texture);
+       void setCube(const TileSpec tiles[6]);
+
+       f32 getSpriteThickness() const { return m_thickness; }
+       void setSpriteThickness(f32 thickness);
+
+       void updateLight(u8 light);
+
+       void removeSpriteFromCache(video::ITexture* texture);
+
+       virtual const core::aabbox3d<f32>& getBoundingBox() const;
+       virtual void OnRegisterSceneNode();
+       virtual void render();
+
+private:
+       scene::IMeshSceneNode* m_meshnode;
+       f32 m_thickness;
+       scene::IMesh* m_cubemesh;
+       bool m_is_cube;
+       u8 m_light;
+
+       // internal extrusion helper methods
+       io::path getExtrudedName(video::ITexture* texture);
+       scene::IAnimatedMesh* extrudeARGB(u32 width, u32 height, u8* data);
+       scene::IAnimatedMesh* extrude(video::ITexture* texture);
+       scene::IMesh* createCubeMesh();
+};
+
+#endif