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Digging animation

master
Kahrl 2011-09-20 11:06:16 +02:00
parent eaff4616ad
commit 01f3ae1c50
3 changed files with 85 additions and 35 deletions
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90
src/camera.cpp
View File

@ -26,13 +26,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "tile.h"
#include <cmath>
const s32 BOBFRAMES = 0x1000000; // must be a power of two
Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_smgr(smgr),
m_playernode(NULL),
m_headnode(NULL),
m_cameranode(NULL),
m_wieldnode(NULL),
m_draw_control(draw_control),
m_viewing_range_min(5.0),
m_viewing_range_max(5.0),
@ -57,7 +56,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_view_bobbing_speed(0),
m_digging_anim(0),
m_digging_speed(0)
m_digging_button(-1)
{
//dstream<<__FUNCTION_NAME<<std::endl;
@ -67,7 +66,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_headnode = smgr->addEmptySceneNode(m_playernode);
m_cameranode = smgr->addCameraSceneNode(smgr->getRootSceneNode());
m_cameranode->bindTargetAndRotation(true);
m_wieldnode = new ExtrudedSpriteSceneNode(m_headnode, smgr, -1, v3f(1.3, -1, 2), v3f(-20, -100, 20), v3f(1));
m_wieldnode = new ExtrudedSpriteSceneNode(m_headnode, smgr);
updateSettings();
}
@ -93,24 +92,54 @@ bool Camera::successfullyCreated(std::wstring& error_message)
error_message = L"Failed to create the camera scene node";
return false;
}
if (m_wieldnode == NULL)
{
error_message = L"Failed to create the wielded item scene node";
return false;
}
return true;
}
// Returns the fractional part of x
inline f32 my_modf(f32 x)
{
double dummy;
return modf(x, &dummy);
}
void Camera::step(f32 dtime)
{
if (m_view_bobbing_state != 0)
{
s32 offset = MYMAX(dtime * m_view_bobbing_speed * 0.035 * BOBFRAMES, 1);
f32 offset = dtime * m_view_bobbing_speed * 0.035;
if (m_view_bobbing_state == 2)
{
// Animation is getting turned off
s32 subanim = (m_view_bobbing_anim & (BOBFRAMES/2-1));
if (subanim < BOBFRAMES/4)
offset = -1 * MYMIN(offset, subanim);
if (m_view_bobbing_anim < 0.5)
m_view_bobbing_anim -= offset;
else
offset = MYMIN(offset, BOBFRAMES/2 - subanim);
m_view_bobbing_anim += offset;
if (m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1)
{
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
}
}
else
{
m_view_bobbing_anim = my_modf(m_view_bobbing_anim + offset);
}
}
if (m_digging_button != -1)
{
f32 offset = dtime * 3.5;
m_digging_anim += offset;
if (m_digging_anim >= 1)
{
m_digging_anim = 0;
m_digging_button = -1;
}
m_view_bobbing_anim = (m_view_bobbing_anim + offset) & (BOBFRAMES-1);
}
}
@ -132,11 +161,10 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize)
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
s32 bobframe = m_view_bobbing_anim & (BOBFRAMES/2-1);
if (bobframe != 0)
if (m_view_bobbing_anim != 0)
{
f32 bobfrac = (f32) bobframe / (BOBFRAMES/2);
f32 bobdir = (m_view_bobbing_anim < (BOBFRAMES/2)) ? 1.0 : -1.0;
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
@ -188,6 +216,27 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize)
// Some more allowance that m_viewing_range_max * BS because of active objects etc.
m_cameranode->setFarValue(m_viewing_range_max * BS * 10);
// Position the wielded item
v3f wield_position = v3f(1.3, -1.1, 2);
v3f wield_rotation = v3f(90, -90, -90);
if (m_digging_button != -1)
{
f32 digfrac = m_digging_anim;
wield_position.X -= sin(pow(digfrac, 0.8) * PI);
wield_position.Y += 0.5 * sin(digfrac * 2 * PI);
wield_position.Z += 0.2 * digfrac;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(90, 20, -130) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
// Render distance feedback loop
updateViewingRange(frametime);
@ -208,12 +257,7 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 100;
}
else if (m_view_bobbing_state == 2 && bobframe == 0)
{
// Stop animation completed
m_view_bobbing_state = 0;
m_view_bobbing_speed = 60;
}
}
@ -378,14 +422,14 @@ void Camera::wield(const InventoryItem* item)
else
{
// Bare hands
dstream << "bare hands" << std::endl;
m_wieldnode->setVisible(false);
}
}
void Camera::setDigging(bool digging)
void Camera::setDigging(s32 button)
{
// TODO
if (m_digging_button == -1)
m_digging_button = button;
}

19
src/camera.h
View File

@ -120,8 +120,9 @@ public:
// Replace the wielded item mesh
void wield(const InventoryItem* item);
// Start or stop digging animation
void setDigging(bool digging);
// Start digging animation
// Pass 0 for left click, 1 for right click
void setDigging(s32 button);
private:
// Scene manager and nodes
@ -158,8 +159,8 @@ private:
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.
@ -167,10 +168,12 @@ private:
// Speed of view bobbing animation
f32 m_view_bobbing_speed;
// Digging animation
s32 m_digging_anim;
// Speed of digging animation
s32 m_digging_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;
};

11
src/game.cpp
View File

@ -1514,7 +1514,6 @@ void the_game(
std::cout<<DTIME<<"Left-clicked object"<<std::endl;
client.clickObject(0, selected_object->getBlock()->getPos(),
selected_object->getId(), g_selected_item);
camera.setDigging(true);
}
else if(input->getRightClicked())
{
@ -1582,7 +1581,6 @@ void the_game(
std::cout<<DTIME<<"Left-clicked object"<<std::endl;
client.clickActiveObject(0,
selected_active_object->getId(), g_selected_item);
camera.setDigging(true);
}
else if(input->getRightClicked())
{
@ -1757,7 +1755,7 @@ void the_game(
dig_time += dtime;
camera.setDigging(true);
camera.setDigging(0); // left click animation
}
}
@ -1820,6 +1818,7 @@ void the_game(
else
{
client.groundAction(1, nodepos, neighbourpos, g_selected_item);
camera.setDigging(1); // right click animation
}
}
@ -1828,6 +1827,11 @@ void the_game(
} // selected_object == NULL
if(input->getLeftClicked())
{
camera.setDigging(0); // left click animation
}
input->resetLeftClicked();
input->resetRightClicked();
@ -1836,7 +1840,6 @@ void the_game(
std::cout<<DTIME<<"Left button released (stopped digging)"
<<std::endl;
client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
camera.setDigging(false);
}
if(input->getRightReleased())
{