From f59af398b6c49126b440a4f1879a36bed5ef3c64 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Fri, 2 May 2014 09:12:57 +1000
Subject: Copy the Evas_3D demo stuff to extantz.
---
src/extantz/Evas_3D_demo.c | 722 +++++++++++++++++++++++++++++++++++++++++++++
src/extantz/build.lua | 3 +-
src/extantz/extantz.c | 15 +-
src/extantz/extantz.h | 7 +-
4 files changed, 731 insertions(+), 16 deletions(-)
create mode 100644 src/extantz/Evas_3D_demo.c
diff --git a/src/extantz/Evas_3D_demo.c b/src/extantz/Evas_3D_demo.c
new file mode 100644
index 0000000..b5b4614
--- /dev/null
+++ b/src/extantz/Evas_3D_demo.c
@@ -0,0 +1,722 @@
+#include "extantz.h"
+
+
+typedef struct _Scene_Data
+{
+ Evas_Object *image; // Our Elm image.
+ Evas_3D_Scene *scene;
+ Evas_3D_Node *root_node;
+ Evas_3D_Node *camera_node;
+ Evas_3D_Node *light_node;
+
+ Evas_3D_Camera *camera;
+ Evas_3D_Light *light;
+
+ Evas_3D_Mesh *mesh;
+ Evas_3D_Node *mesh_node;
+ Evas_3D_Material *material0;
+ Evas_3D_Material *material1;
+ Evas_3D_Texture *texture0;
+ Evas_3D_Texture *texture1;
+ Evas_3D_Texture *texture_normal;
+
+ Evas_3D_Mesh *mesh2;
+ Evas_3D_Node *mesh2_node;
+ Evas_3D_Material *material2;
+ Evas_3D_Texture *texture2;
+
+ Evas_3D_Mesh *mesh3;
+ Evas_3D_Node *mesh3_node;
+ Evas_3D_Material *material3;
+ Evas_3D_Texture *texture_diffuse;
+
+} Scene_Data;
+
+static Scene_Data ourScene;
+
+
+static const float cube_vertices[] =
+{
+ /* Front */
+ -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0,
+ -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
+ 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Back */
+ 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0,
+ -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, -1.0, 0.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
+
+ /* Left */
+ -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0,
+ -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0,
+ -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Right */
+ 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
+ 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0, 0.0,
+
+ /* Top */
+ -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
+ 1.0, 1.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0,
+ -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 0.0,
+ 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0,
+
+ /* Bottom */
+ 1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0,
+ -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0, 0.0,
+ -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0,
+};
+
+static const unsigned short cube_indices[] =
+{
+ /* Front */
+ 0, 1, 2, 2, 1, 3,
+
+ /* Back */
+ 4, 5, 6, 6, 5, 7,
+
+ /* Left */
+ 8, 9, 10, 10, 9, 11,
+
+ /* Right */
+ 12, 13, 14, 14, 13, 15,
+
+ /* Top */
+ 16, 17, 18, 18, 17, 19,
+
+ /* Bottom */
+ 20, 21, 22, 22, 21, 23
+};
+
+static const unsigned int pixels0[] =
+{
+ 0xff0000ff, 0xff0000ff, 0xffff0000, 0xffff0000,
+ 0xff0000ff, 0xff0000ff, 0xffff0000, 0xffff0000,
+ 0xff00ff00, 0xff00ff00, 0xff000000, 0xff000000,
+ 0xff00ff00, 0xff00ff00, 0xff000000, 0xff000000,
+};
+
+static const unsigned int pixels1[] =
+{
+ 0xffff0000, 0xffff0000, 0xff00ff00, 0xff00ff00,
+ 0xffff0000, 0xffff0000, 0xff00ff00, 0xff00ff00,
+ 0xff0000ff, 0xff0000ff, 0xffffffff, 0xffffffff,
+ 0xff0000ff, 0xff0000ff, 0xffffffff, 0xffffffff,
+};
+
+
+typedef struct _vec4
+{
+ float x;
+ float y;
+ float z;
+ float w;
+} vec4;
+
+typedef struct _vec3
+{
+ float x;
+ float y;
+ float z;
+} vec3;
+
+typedef struct _vec2
+{
+ float x;
+ float y;
+} vec2;
+
+typedef struct _vertex
+{
+ vec3 position;
+ vec3 normal;
+ vec3 tangent;
+ vec4 color;
+ vec3 texcoord;
+} vertex;
+
+static int vertex_count = 0;
+static vertex *sphere_vertices = NULL;
+
+static int index_count = 0;
+static unsigned short *sphere_indices = NULL;
+
+static inline vec3
+_normalize(const vec3 *v)
+{
+ double l = sqrt(v->x * v->x + v->y * v->y + v->z * v->z);
+ vec3 vec;
+
+ vec.x = v->x / l;
+ vec.y = v->y / l;
+ vec.z = v->z / l;
+
+ return vec;
+}
+
+static void
+_sphere_fini()
+{
+ if (sphere_vertices)
+ free(sphere_vertices);
+
+ if (sphere_indices)
+ free(sphere_indices);
+}
+
+static void
+_sphere_init(int precision)
+{
+ int i, j;
+ unsigned short *index;
+
+ vertex_count = (precision + 1) * (precision + 1);
+ index_count = precision * precision * 6;
+
+ /* Allocate buffer. */
+ sphere_vertices = malloc(sizeof(vertex) * vertex_count);
+ sphere_indices = malloc(sizeof(unsigned short) * index_count);
+
+ for (i = 0; i <= precision; i++)
+ {
+ double lati = (M_PI * (double)i) / (double)precision;
+ double y = cos(lati);
+ double r = fabs(sin(lati));
+
+ for (j = 0; j <= precision; j++)
+ {
+ double longi = (M_PI * 2.0 * j) / precision;
+ vertex *v = &sphere_vertices[i * (precision + 1) + j];
+
+ if (j == 0 || j == precision)
+ v->position.x = 0.0;
+ else
+ v->position.x = r * sin(longi);
+
+ v->position.y = y;
+
+ if (j == 0 || j == precision)
+ v->position.z = r;
+ else
+ v->position.z = r * cos(longi);
+
+ v->normal = v->position;
+
+ if (v->position.x > 0.0)
+ {
+ v->tangent.x = -v->normal.y;
+ v->tangent.y = v->normal.x;
+ v->tangent.z = v->normal.z;
+ }
+ else
+ {
+ v->tangent.x = v->normal.y;
+ v->tangent.y = -v->normal.x;
+ v->tangent.z = v->normal.z;
+ }
+
+ v->color.x = v->position.x;
+ v->color.y = v->position.y;
+ v->color.z = v->position.z;
+ v->color.w = 1.0;
+
+ if (j == precision)
+ v->texcoord.x = 1.0;
+ else if (j == 0)
+ v->texcoord.x = 0.0;
+ else
+ v->texcoord.x = (double)j / (double)precision;
+
+ if (i == precision)
+ v->texcoord.y = 1.0;
+ else if (i == 0)
+ v->texcoord.y = 0.0;
+ else
+ v->texcoord.y = 1.0 - (double)i / (double)precision;
+ }
+ }
+
+ index = &sphere_indices[0];
+
+ for (i = 0; i < precision; i++)
+ {
+ for (j = 0; j < precision; j++)
+ {
+ *index++ = i * (precision + 1) + j;
+ *index++ = i * (precision + 1) + j + 1;
+ *index++ = (i + 1) * (precision + 1) + j;
+
+ *index++ = (i + 1) * (precision + 1) + j;
+ *index++ = i * (precision + 1) + j + 1;
+ *index++ = (i + 1) * (precision + 1) + j + 1;
+ }
+ }
+
+ for (i = 0; i < index_count; i += 3)
+ {
+ vertex *v0 = &sphere_vertices[sphere_indices[i + 0]];
+ vertex *v1 = &sphere_vertices[sphere_indices[i + 1]];
+ vertex *v2 = &sphere_vertices[sphere_indices[i + 2]];
+
+ vec3 e1, e2;
+ float du1, du2, dv1, dv2, f;
+ vec3 tangent;
+
+ e1.x = v1->position.x - v0->position.x;
+ e1.y = v1->position.y - v0->position.y;
+ e1.z = v1->position.z - v0->position.z;
+
+ e2.x = v2->position.x - v0->position.x;
+ e2.y = v2->position.y - v0->position.y;
+ e2.z = v2->position.z - v0->position.z;
+
+ du1 = v1->texcoord.x - v0->texcoord.x;
+ dv1 = v1->texcoord.y - v0->texcoord.y;
+
+ du2 = v2->texcoord.x - v0->texcoord.x;
+ dv2 = v2->texcoord.y - v0->texcoord.y;
+
+ f = 1.0 / (du1 * dv2 - du2 * dv1);
+
+ tangent.x = f * (dv2 * e1.x - dv1 * e2.x);
+ tangent.y = f * (dv2 * e1.y - dv1 * e2.y);
+ tangent.z = f * (dv2 * e1.z - dv1 * e2.z);
+
+ v0->tangent = tangent;
+ }
+
+ for (i = 0; i <= precision; i++)
+ {
+ for (j = 0; j <= precision; j++)
+ {
+ if (j == precision)
+ {
+ vertex *v = &sphere_vertices[i * (precision + 1) + j];
+ v->tangent = sphere_vertices[i * (precision + 1)].tangent;
+ }
+ }
+ }
+}
+
+
+static Eina_Bool
+_animate_scene(void *data)
+{
+ static float angle = 0.0f;
+ static float earthAngle = 0.0f;
+ static int frame = 0;
+ static int inc = 1;
+ static int sonicFrame = 0;
+
+ Scene_Data *scene = (Scene_Data *)data;
+
+ // Animate cube.
+ angle += 0.5;
+ if (angle > 360.0) angle -= 360.0f;
+
+ frame += inc;
+ if (frame >= 20) inc = -1;
+ else if (frame <= 0) inc = 1;
+
+ eo_do(scene->mesh_node,
+ evas_3d_node_orientation_angle_axis_set(angle, 1.0, 1.0, 1.0),
+ evas_3d_node_mesh_frame_set(scene->mesh, frame)
+ );
+
+ // Animate sonic.
+ sonicFrame += 32;
+ if (sonicFrame > 256 * 50) sonicFrame = 0;
+ eo_do(scene->mesh2_node,
+ evas_3d_node_mesh_frame_set(scene->mesh2, sonicFrame)
+ );
+
+ // Animate earth.
+ earthAngle += 0.3;
+ if (earthAngle > 360.0) earthAngle -= 360.0f;
+ eo_do(scene->mesh3_node,
+ evas_3d_node_orientation_angle_axis_set(angle, 0.0, 1.0, 0.0)
+ );
+
+ return EINA_TRUE;
+}
+
+
+static void
+_camera_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ scene->camera = eo_add(EVAS_3D_CAMERA_CLASS, ourGlobals->evas);
+ eo_do(scene->camera,
+ evas_3d_camera_projection_perspective_set(60.0, 1.0, 1.0, 500.0)
+ );
+
+ scene->camera_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_CAMERA);
+ eo_do(scene->camera_node,
+ evas_3d_node_camera_set(scene->camera)
+ );
+ eo_do(scene->root_node, evas_3d_node_member_add(scene->camera_node));
+ eo_do(scene->camera_node,
+ evas_3d_node_position_set(50.0, 0.0, 20.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 20.0, EVAS_3D_SPACE_PARENT, 0.0, 0.0, 1.0)
+ );
+}
+
+static void
+_light_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ scene->light = eo_add(EVAS_3D_LIGHT_CLASS, ourGlobals->evas);
+ eo_do(scene->light,
+ evas_3d_light_ambient_set(1.0, 1.0, 1.0, 1.0),
+ evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
+ evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0),
+ evas_3d_light_directional_set(EINA_TRUE)
+ );
+
+ scene->light_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_LIGHT);
+ eo_do(scene->light_node,
+ evas_3d_node_light_set(scene->light)
+ );
+ eo_do(scene->root_node,
+ evas_3d_node_member_add(scene->light_node)
+ );
+ eo_do(scene->light_node,
+ evas_3d_node_position_set(1000.0, 0.0, 1000.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0)
+ );
+}
+
+static void _cube_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ // Setup cube materials.
+ scene->material0 = eo_add(EVAS_3D_MATERIAL_CLASS, ourGlobals->evas);
+ scene->material1 = eo_add(EVAS_3D_MATERIAL_CLASS, ourGlobals->evas);
+
+ eo_do(scene->material0,
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_NORMAL, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.2, 0.2, 0.2, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 0.8, 0.8, 0.8, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_shininess_set(100.0)
+ );
+
+ eo_do(scene->material1,
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_NORMAL, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.2, 0.2, 0.2, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 0.8, 0.8, 0.8, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_shininess_set(100.0)
+ );
+
+ scene->texture0 = eo_add(EVAS_3D_TEXTURE_CLASS, ourGlobals->evas);
+ scene->texture1 = eo_add(EVAS_3D_TEXTURE_CLASS, ourGlobals->evas);
+ scene->texture_normal = eo_add(EVAS_3D_TEXTURE_CLASS, ourGlobals->evas);
+
+ eo_do(scene->texture0,
+ evas_3d_texture_data_set(EVAS_3D_COLOR_FORMAT_RGBA, EVAS_3D_PIXEL_FORMAT_8888, 4, 4, &pixels0[0])
+ );
+ eo_do(scene->texture1,
+ evas_3d_texture_data_set(EVAS_3D_COLOR_FORMAT_RGBA, EVAS_3D_PIXEL_FORMAT_8888, 4, 4, &pixels1[0])
+ );
+ eo_do(scene->texture_normal, evas_3d_texture_file_set("media/normal_lego.png", NULL));
+
+ eo_do(scene->material0, evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, scene->texture0));
+ eo_do(scene->material1, evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, scene->texture1));
+ eo_do(scene->material1, evas_3d_material_texture_set(EVAS_3D_MATERIAL_NORMAL, scene->texture_normal));
+
+ // Setup CUBE mesh.
+ scene->mesh = eo_add(EVAS_3D_MESH_CLASS, ourGlobals->evas);
+ eo_do(scene->mesh,
+ evas_3d_mesh_vertex_count_set(24),
+ evas_3d_mesh_frame_add(0),
+
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION, 12 * sizeof(float), &cube_vertices[ 0]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL, 12 * sizeof(float), &cube_vertices[ 3]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR, 12 * sizeof(float), &cube_vertices[ 6]),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD, 12 * sizeof(float), &cube_vertices[10]),
+
+ evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT, 36, &cube_indices[0]),
+ evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
+
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_NORMAL_MAP),
+
+ evas_3d_mesh_frame_material_set(0, scene->material0),
+
+ evas_3d_mesh_frame_add(20),
+ evas_3d_mesh_frame_material_set(20, scene->material1)
+ );
+ scene->mesh_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_MESH);
+ eo_do(scene->root_node, evas_3d_node_member_add(scene->mesh_node));
+ eo_do(scene->mesh_node,
+ eo_key_data_set("Name", "cube", NULL),
+ evas_3d_node_position_set(40.0, 3.5, 23.0),
+ evas_3d_node_mesh_add(scene->mesh)
+ );
+}
+
+static void _sonic_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ // Setup an MD2 mesh.
+ scene->mesh2 = eo_add(EVAS_3D_MESH_CLASS, ourGlobals->evas);
+ eo_do(scene->mesh2,
+ evas_3d_mesh_file_set(EVAS_3D_MESH_FILE_TYPE_MD2, "media/sonic.md2", NULL)
+ );
+
+ scene->material2 = eo_add(EVAS_3D_MATERIAL_CLASS, ourGlobals->evas);
+ eo_do(scene->mesh2,
+ evas_3d_mesh_frame_material_set(0, scene->material2)
+ );
+
+ scene->texture2 = eo_add(EVAS_3D_TEXTURE_CLASS, ourGlobals->evas);
+ eo_do(scene->texture2,
+ evas_3d_texture_file_set("media/sonic.png", NULL),
+ evas_3d_texture_filter_set(EVAS_3D_TEXTURE_FILTER_NEAREST, EVAS_3D_TEXTURE_FILTER_NEAREST),
+ evas_3d_texture_wrap_set(EVAS_3D_WRAP_MODE_REPEAT, EVAS_3D_WRAP_MODE_REPEAT)
+ );
+
+ eo_do(scene->material2,
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, scene->texture2),
+
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_NORMAL, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.01, 0.01, 0.01, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_shininess_set(50.0)
+ );
+
+ scene->mesh2_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_MESH);
+ eo_do(scene->root_node,
+ evas_3d_node_member_add(scene->mesh2_node)
+ );
+ eo_do(scene->mesh2_node,
+ eo_key_data_set("Name", "sonic", NULL),
+ evas_3d_node_mesh_add(scene->mesh2)
+ );
+
+ eo_do(scene->mesh2,
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_PHONG)
+ );
+}
+
+static void _earth_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ // Setup earth material.
+ scene->material3 = eo_add(EVAS_3D_MATERIAL_CLASS, ourGlobals->evas);
+
+ scene->texture_diffuse = eo_add(EVAS_3D_TEXTURE_CLASS, ourGlobals->evas);
+ eo_do(scene->texture_diffuse,
+ evas_3d_texture_file_set("media/EarthDiffuse.png", NULL),
+ evas_3d_texture_filter_set(EVAS_3D_TEXTURE_FILTER_LINEAR, EVAS_3D_TEXTURE_FILTER_LINEAR));
+ eo_do(scene->material3,
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, scene->texture_diffuse),
+
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE),
+ evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE),
+
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.01, 0.01, 0.01, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 1.0, 1.0, 1.0, 1.0),
+ evas_3d_material_shininess_set(50.0));
+
+ // Setup earth mesh.
+ _sphere_init(100);
+
+ scene->mesh3 = eo_add(EVAS_3D_MESH_CLASS, ourGlobals->evas);
+ eo_do(scene->mesh3,
+ evas_3d_mesh_vertex_count_set(vertex_count),
+ evas_3d_mesh_frame_add(0),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION, sizeof(vertex), &sphere_vertices[0].position),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL, sizeof(vertex), &sphere_vertices[0].normal),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TANGENT, sizeof(vertex), &sphere_vertices[0].tangent),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR, sizeof(vertex), &sphere_vertices[0].color),
+ evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD, sizeof(vertex), &sphere_vertices[0].texcoord),
+
+ evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT, index_count, &sphere_indices[0]),
+ evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
+ evas_3d_mesh_frame_material_set(0, scene->material3)
+ );
+
+ scene->mesh3_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_MESH);
+ eo_do(scene->root_node,
+ evas_3d_node_member_add(scene->mesh3_node)
+ );
+ eo_do(scene->mesh3_node,
+ eo_key_data_set("Name", "earth", NULL),
+ evas_3d_node_position_set(40.0, -3.5, 23.0),
+ evas_3d_node_mesh_add(scene->mesh3)
+ );
+
+ eo_do(scene->mesh3,
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_DIFFUSE)
+ );
+}
+
+
+static void
+_scene_setup(globals *ourGlobals, Scene_Data *scene)
+{
+ scene->scene = eo_add(EVAS_3D_SCENE_CLASS, ourGlobals->evas);
+ eo_do(scene->scene,
+ evas_3d_scene_size_set(512, 512),
+ evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0)
+ );
+
+ // TODO - I have no idea how this should work.
+ // It seems the people that wrote the examples don't know either. lol
+// scene->root_node = eo_add(EVAS_3D_NODE_CLASS, ourGlobals->evas, EVAS_3D_NODE_TYPE_NODE);
+ scene->root_node = evas_3d_node_add(ourGlobals->evas, EVAS_3D_NODE_TYPE_NODE);
+
+ _camera_setup(ourGlobals, scene);
+ _light_setup(ourGlobals, scene);
+ _cube_setup(ourGlobals, scene);
+ _sonic_setup(ourGlobals, scene);
+ _earth_setup(ourGlobals, scene);
+
+ eo_do(scene->scene,
+ evas_3d_scene_root_node_set(scene->root_node),
+ evas_3d_scene_camera_node_set(scene->camera_node)
+ );
+}
+
+
+
+static void _on_mouse_move(void *data, Evas *e EINA_UNUSED, Evas_Object *o, void *einfo)
+{
+ Scene_Data *scene = data;
+ Evas_Event_Mouse_Move *ev = einfo;
+ Evas_Coord x, y, w, h;
+ Evas_Coord obj_x, obj_y;
+ int scene_w, scene_h;
+ Evas_Real scene_x, scene_y;
+ Evas_Real s, t;
+ Evas_3D_Node *n;
+ Evas_3D_Mesh *m;
+ Eina_Bool pick;
+ char *name = NULL;
+
+ evas_object_geometry_get(o, &x, &y, &w, &h);
+
+ obj_x = ev->cur.canvas.x - x;
+ obj_y = ev->cur.canvas.y - y;
+
+ eo_do(scene->scene, evas_3d_scene_size_get(&scene_w, &scene_h));
+
+ scene_x = obj_x * scene_w / (Evas_Real)w;
+ scene_y = obj_y * scene_h / (Evas_Real)h;
+
+ eo_do(scene->scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t));
+ if (pick)
+ name = evas_object_data_get(n, "Name");
+ // This is a raw Evas callback, on the Elm image internal Evas_Object.
+ // So we need to get the Elm Image back from the raw Evas_Object.
+ // Which is why we stuffed it in the scene structure.
+ if (name)
+ {
+ elm_object_tooltip_text_set(scene->image, name);
+ elm_object_tooltip_show(scene->image);
+ }
+ else
+ elm_object_tooltip_hide(scene->image);
+}
+
+static void _on_mouse_down(void *data, Evas *e EINA_UNUSED, Evas_Object *o, void *einfo)
+{
+ Scene_Data *scene = data;
+ Evas_Event_Mouse_Down *ev = einfo;
+ Evas_Coord x, y, w, h;
+ Evas_Coord obj_x, obj_y;
+ int scene_w, scene_h;
+ Evas_Real scene_x, scene_y;
+ Evas_Real s, t;
+ Evas_3D_Node *n;
+ Evas_3D_Mesh *m;
+ Eina_Bool pick;
+ char *name;
+
+ evas_object_geometry_get(o, &x, &y, &w, &h);
+
+ obj_x = ev->canvas.x - x;
+ obj_y = ev->canvas.y - y;
+
+ eo_do(scene->scene, evas_3d_scene_size_get(&scene_w, &scene_h));
+
+ scene_x = obj_x * scene_w / (Evas_Real)w;
+ scene_y = obj_y * scene_h / (Evas_Real)h;
+
+ eo_do(scene->scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t));
+ if (pick)
+ {
+ name = evas_object_data_get(n, "Name");
+ printf("Picked : ");
+ }
+ else
+ printf("Not picked : ");
+ if (NULL == name)
+ name = "";
+
+ printf("output(%d, %d) canvas(%d, %d) object(%d, %d) scene(%f, %f) texcoord(%f, %f) "
+ "node(%p) %s mesh(%p)\n",
+ ev->output.x, ev->output.y,
+ ev->canvas.x, ev->canvas.y,
+ obj_x, obj_y,
+ scene_x, scene_y,
+ s, t, n, name, m);
+}
+
+void Evas_3D_Demo_add(globals *ourGlobals)
+{
+ Evas_Object *obj, *temp;
+
+ _scene_setup(ourGlobals, &ourScene);
+
+ // Add a background image object.
+ obj = eo_add(ELM_OBJ_IMAGE_CLASS, ourGlobals->win);
+ eo_do(obj,
+ evas_obj_size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND),
+ elm_obj_image_fill_outside_set(EINA_TRUE),
+ elm_obj_image_file_set("media/sky_01.jpg", NULL),
+ evas_obj_visibility_set(EINA_TRUE)
+ );
+ elm_win_resize_object_add(ourGlobals->win, obj);
+ eo_unref(obj);
+
+ // Add an image object for 3D scene rendering.
+ obj = eo_add(ELM_OBJ_IMAGE_CLASS, ourGlobals->win);
+ ourScene.image = obj;
+ eo_do(obj,
+ evas_obj_size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND),
+ elm_obj_image_fill_outside_set(EINA_TRUE),
+ evas_obj_visibility_set(EINA_TRUE),
+ temp = elm_obj_image_object_get()
+ );
+ eo_do(temp,
+ evas_obj_image_scene_set(ourScene.scene)
+ );
+ elm_object_tooltip_text_set(obj, "");
+ elm_object_tooltip_hide(obj);
+ // Elm can't seem to be able to tell us WHERE an image was clicked, so use raw Evas calbacks instead.
+ evas_object_event_callback_add(temp, EVAS_CALLBACK_MOUSE_MOVE, _on_mouse_move, &ourScene);
+ evas_object_event_callback_add(temp, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, &ourScene);
+ elm_win_resize_object_add(ourGlobals->win, obj);
+
+ // Add animation timer callback.
+ ecore_timer_add(0.016, _animate_scene, &ourScene);
+}
diff --git a/src/extantz/build.lua b/src/extantz/build.lua
index 0bb2a0b..51551e9 100755
--- a/src/extantz/build.lua
+++ b/src/extantz/build.lua
@@ -23,4 +23,5 @@ runCommand('edje_cc', dir, 'edje_cc ' .. EDJE_FLAGS .. ' extantz.edc ../../medi
runCommand('Irrlicht files', dir, 'g++ ' .. CFLAGS .. ' -O3 -ffast-math -c crappisspuke.cpp -o crappisspuke.o ' .. LDFLAGS)
runCommand(nil, dir, 'g++ ' .. CFLAGS .. ' -O3 -ffast-math -c CDemo.cpp -o CDemo.o ' .. LDFLAGS)
runCommand('extantz', dir, 'g++ ' .. CFLAGS .. ' -O3 -ffast-math -c extantzCamera.cpp -o extantzCamera.o ' .. LDFLAGS)
-runCommand(nil, dir, 'gcc ' .. CFLAGS .. ' extantz.c crappisspuke.o CDemo.o extantzCamera.o -o ../../extantz ' .. LDFLAGS .. ' ' .. libs)
+runCommand(nil, dir, 'gcc ' .. CFLAGS .. ' -c Evas_3D_demo.c -o Evas_3D_demo.o ' .. LDFLAGS)
+runCommand(nil, dir, 'gcc ' .. CFLAGS .. ' extantz.c crappisspuke.o CDemo.o extantzCamera.o Evas_3D_demo.o -o ../../extantz ' .. LDFLAGS .. ' ' .. libs)
diff --git a/src/extantz/extantz.c b/src/extantz/extantz.c
index 1176bb9..7eec6dd 100644
--- a/src/extantz/extantz.c
+++ b/src/extantz/extantz.c
@@ -902,7 +902,7 @@ static void init_evas_gl(GLData *gld)
evas_object_show(gld->r1);
elm_box_pack_end(gld->bx, gld->r1);
- evas_object_event_callback_add(gld->r1, EVAS_CALLBACK_MOUSE_DOWN, _cb_mouse_down_GL, gld);
+// evas_object_event_callback_add(gld->r1, EVAS_CALLBACK_MOUSE_DOWN, _cb_mouse_down_GL, gld);
// evas_object_event_callback_add(gld->r1, EVAS_CALLBACK_KEY_DOWN, _on_camera_input_down, gld);
// evas_object_event_callback_add(gld->r1, EVAS_CALLBACK_KEY_UP, _on_camera_input_up, gld);
#endif
@@ -1423,6 +1423,7 @@ EAPI_MAIN int elm_main(int argc, char **argv)
elm_config_preferred_engine_set("opengl_x11");
gld->win = elm_win_add(NULL, "extantz", ELM_WIN_BASIC);
gld->win = elm_win_util_standard_add("extantz", "extantz virtual world viewer");
+ ourGlobals.win = gld->win;
// Set preferred engine back to default from config
elm_config_preferred_engine_set(NULL);
@@ -1456,17 +1457,7 @@ EAPI_MAIN int elm_main(int argc, char **argv)
elm_win_resize_object_add(gld->win, obj);
eo_unref(obj);
- // Note, we don't need an Elm_bg, the entire thing gets covered with the GL rendering surface anyway.
-#if 0
- bg = elm_bg_add(gld->win);
- elm_bg_load_size_set(bg, gld->win_w, gld->win_h);
- elm_bg_option_set(bg, ELM_BG_OPTION_CENTER);
- snprintf(buf, sizeof(buf), "%s/sky_03.jpg", elm_app_data_dir_get());
- elm_bg_file_set(bg, buf, NULL);
- evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
- elm_win_resize_object_add(gld->win, bg);
- evas_object_show(bg);
-#endif
+ Evas_3D_Demo_add(&ourGlobals);
gld->bx = elm_box_add(gld->win);
evas_object_size_hint_weight_set(gld->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
diff --git a/src/extantz/extantz.h b/src/extantz/extantz.h
index 9a27481..ba30405 100644
--- a/src/extantz/extantz.h
+++ b/src/extantz/extantz.h
@@ -1,9 +1,9 @@
#define USE_EO 0
-#define USE_PHYSICS 1
+#define USE_PHYSICS 0
#define USE_EGL 1 // If using Evas_GL, though it might be via Elm.
#define USE_ELM_GL 1
-#define USE_IRR 1
-#define USE_DEMO 1
+#define USE_IRR 0
+#define USE_DEMO 0
#define DO_GEARS 0
@@ -205,6 +205,7 @@ EAPI int startIrr(GLData *gld);
EAPI void drawIrr_start(GLData *gld);
EAPI void drawIrr_end(GLData *gld);
EAPI void finishIrr(GLData *gld);
+EAPI void Evas_3D_Demo_add(globals *ourGlobals);
#ifdef __cplusplus
}
--
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